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DAHUA SD4A425DB-HNY-R IP CAMERA DAHUA
The Symbol: 75943
The Availability Of: 6 pcs.
Price: 1884.94
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EAN :
6939554913624
DAHUA SD4A425DB-HNY-R IP CAMERA
Model: SD4A425DB-HNY-R
Key Features:
- 1/2.8" 4 MP STARVIS™ CMOS Sensor
- 25x Optical Zoom
- Starlight Technology - high image quality in low light conditions
- Max. 25/30 fps at 4 MP resolution
- Invisible IR illumination up to 50 m
- Automatic object tracking (Auto-tracking 1.0)
- Quiet rotation mechanism
- Smoked dome
- Perimeter protection
- Face detection
- SMD 3.0 - intelligent motion detection
- IP66 protection class - resistant to dust and strong water jets
Technical Specification:
| Parameter | Specification / Description |
| INTELLIGENT FUNCTIONS | |
| IVS (perimeter protection) | Line crossing; intrusion; fence crossing detection; area dwell detection; left/abandoned object; fast movement; parking detection; gathering detection; human/vehicle alarm classification; event-related tracking |
| Face detection | Supports face detection, face tracking frames, capturing images, and improving face image quality. Supports face image cropping: face and portrait image. Capture strategies include real-time recording and quality priority |
| Notes on intelligent functions | The SMD function cannot be enabled simultaneously with digital zoom and electronic image stabilization (EIS) |
| Intelligent tracking | Auto Tracking 1.0 - automatic tracking |
| SMD | SMD 3.0 |
| Automatic patrol | Upon detecting a target, the IVS rule is triggered, and the camera controls the PTZ mechanism, rotating towards the target and patrolling based on programmed presets |
| Type of intelligent functions | WizSense |
| PORTS / INPUTS AND OUTPUTS | |
| Audio input | 1 channel (LINE IN, wires without connector) |
| Audio output | 1 channel (LINE OUT, wires without connector) |
| Alarm input | 2 channels; supports wet contact (max load 5 mA, 3-5 V DC) and potential-free contact |
| Alarm output | 1 channel, potential-free contact; max load 1000 mA at 30 V DC / 500 mA at 50 V AC |
| Alarm linkage | Image capture; preset; patrol route; pattern; recording to SD card; digital alarm input; sending email notifications |
| Alarm events | Motion/sabotage detection; sound detection; network disconnection detection; IP address conflict; memory card status and available space on the card |
| Audio input/output | 46023 |
| CERTIFICATIONS | |
| Certifications | CE: EN 62368-1 / EN55032 / EN55035 / EN50130-4 / EN61000-3-2 / EN61000-3-3; UL: UL62368-1 |
| FUNCTIONS | |
| SVC | Time domain |
| Regional Focus | Yes |
| OSD overlays | Time; channel; preset; temperature; PTZ coordinates; zoom; north direction; geographical location; image; anomaly information |
| SDK and API | Yes |
| Security mode | Username and password; MAC address; HTTPS; IEEE 802.1x; network access control (allow list) |
| Size | 4 inches |
| Port type | RJ45; power |
| H.265 | Yes |
| VIDEO | |
| Video compression | Smart H.265+; H.265; Smart H.264+; H.264; H.264B; H.264H; MJPEG (sub-stream 1) |
| Number of streams | 3 streams |
| Resolution | 4M (2560 × 1440); 3M (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576); VGA (640 × 480); CIF (352 × 288) |
| Default bitrate for default resolution | 6144 Kb/s (4M) |
| Frames per second | Main stream: 4M/3M/1080p/1.3M/720p: 1-25/30 fps; sub-stream 1: D1/VGA/CIF: 1-25/30 fps; sub-stream 2: 720p/CIF: 1-25/30 fps |
| Bitrate control | CBR / VBR |
| Video bitrate | H.264: 96-14848 Kb/s; H.265: 38-8960 Kb/s |
| Day/night mode | Auto (ICR) / color / black and white |
| BLC - backlight compensation | Yes |
| WDR - wide dynamic range | 120 dB |
| HLC - strong light compensation | Yes |
| White balance | Auto; indoor; outdoor; ATW; manual; sodium lamp; natural light; street lighting |
| Gain control | Automatic; manual |
| Noise reduction | 2D NR; 3D NR |
| Motion detection | Yes |
| Region of Interest (RoI) | Yes |
| Image stabilization | Electronic image stabilization (EIS) |
| Defogging | Electronic |
| Digital zoom | 16× |
| Image rotation | 180° |
| Privacy masks | Up to 24 areas, maximum 8 areas simultaneously in one view |
| Signal-to-noise ratio (S/N) | ≥ 55 dB |
| PTZ - PAN / TILT / ZOOM | |
| Pan/Tilt range | Pan: 0°-360° unrestricted; tilt: -5° to +90°; automatic flip 180° |
| Manual control speed | Pan: 0.1°/s-120°/s; tilt: 0.1°/s-90°/s |
| Preset speed | Pan: 120°/s; tilt: 90°/s |
| Presets | 300 |
| Patrol routes (Tour) | 8, up to 32 presets per route |
| Patterns (Pattern) | 5 |
| Scanning (Scan) | 5 |
| Speed adjustment | Yes |
| Power loss memory | Yes |
| Idle state action | Preset; pattern; patrol route; scanning |
| PTZ protocol | DH-SD |
| Scheduled tasks | Preset; pattern; patrol route; scanning |
| Image freeze when switching to preset | Yes |
| 3D positioning | Yes |
| NETWORK | |
| Network port | RJ-45 (10/100 Base-T) |
| Network protocols | HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; IPv6; 802.1x; SSL; QoS; FTP; UPnP; ICMP; SNMP; SNMPv1/v2c/v3 (MIB-2); IGMP; ARP; RTCP; RTP; PPPoE; RTMP; Bonjour; SMB; NFS |
| Interoperability | CGI; SDK; P2P; ONVIF (Profile S, G, T, and M) |
| Transmission method | Unicast / Multicast |
| Users/hosts | 20 (total bandwidth: 64 M) |
| Storage | Micro SD card up to 512 GB; FTP/SFTP; NAS |
| Browsers | Internet Explorer 9 and newer; Chrome 41 and newer; Firefox 50 and newer; iOS 10 and newer |
| Management software | DSS; DSS Pro |
| ENVIRONMENTAL CONDITIONS | |
| Operating temperature | -40°C to +65°C |
| Humidity during operation | ≤ 95% |
| Storage temperature | -40°C to +65°C |
| Humidity during storage | ≤ 95% |
| Protection degree | IP66; TVS 6000 V protection against lightning strikes; surge protection |
| Max noise level | 24 dB |
| LENS | |
| Focal length | 5-125 mm |
| Max. aperture | F1.6-F3.6 |
| Field of view | Horizontal: 51.9°-3.0°; vertical: 39.7°-2.2°; diagonal: 63.1°-3.7° |
| Optical zoom | 25× |
| Focus adjustment | Automatic; semi-automatic; manual |
| Minimum focusing distance | 0.5-5 m |
| Iris control | Automatic; manual |
| Iris type | P-Iris |
| DORI - wide-angle lens (W) | Detection: 100 m; observation: 40 m; recognition: 20 m; identification: 10 m |
| DORI - telephoto lens (T) | Detection: 2500 m; observation: 1000 m; recognition: 500 m; identification: 250 m |
| DORI information | DORI (Detect, Observe, Recognize, Identify) is a standard EN 62676-4 defining the ability to distinguish people or objects in the monitored area. The values provided do not specify the range of intelligent functions. |
| Zoom time | 5 s |
| CAMERA | |
| Image sensor | 1/2.8" CMOS |
| Sensor resolution | 4 MP |
| Max. resolution | 2560 (H) × 1440 (V) |
| ROM | 128 MB |
| RAM | 512 MB |
| Electronic shutter | 1/1 s-1/30000 s |
| Scanning system | Progressive |
| Minimum illumination | Color: 0.005 lx @ F1.6; black and white: 0.0005 lx @ F1.6; 0 lx with IR on |
| Illumination range | 50 m |
| Illuminator control | Zoom priority; manual; automatic; off |
| Number of illuminators | 6 (invisible IR, 940 nm) |
| Illuminator type | Invisible IR |
| AUDIO | |
| Audio compression | G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; PCM; AAC |
| CONSTRUCTION | |
| Product dimensions | 170.4 mm × Φ171.1 mm |
| Packaging dimensions | 225 × 215 × 285 mm |
| Net weight | 2.5 kg |
| Gross weight | 3.2 kg |
| Mounting method | Wall mount; ceiling mount; flush mount in ceiling; pole mount; corner mount; parapet mount |
| Accessories | Included: mounting bracket for quick installation. Optional: PFA101 + PFB303W adapter; ceiling mount PFA101 + PFB300C; pole mount PFA101 + PFB303W + PFA150; corner mount PFA101 + PFB303W + PFA151; parapet mount PFA101 + PFB303S; flush mount PFB5310C |
| POWER SUPPLY | |
| Power supply | 12 V DC (±10%), 2 A - power supply included; PoE+ (802.3at) |
| Power consumption | Static: 10 W; max.: 19.5 W (with illuminator + fan + PTZ on) |
| Power supply unit | Included |
Procedura wysyłkowego zwrotu towaru / Return Policy
Informacje o prawie do zwrotu (Polska)
Każdy Konsument ma prawo do odstąpienia od umowy i zwrotu towaru w terminie 14 dni od dnia otrzymania przesyłki bez podania przyczyny. Koszty odesłania zwracanego towaru pokrywa Kupujący.
⚠️ WAŻNA INFORMACJA DOTYCZĄCA ADRESU WYSYŁKI:
Zwroty należy kierować WYŁĄCZNIE na poniższy adres Magazynu Zwrotów. Przesyłki wysłane na adres siedziby rejestrowej spółki (ul. Stalowa 7) nie będą przyjmowane ani odbierane.
Instrukcja postępowania (PL):
1. W celu dokonania wysyłkowego zwrotu towaru prosimy o wydrukowanie i wypełnienie formularza zwrotu towaru. W przypadku braku drukarki prosimy o ręczne przygotowanie formularza zwrotu, zawierającego wszystkie wskazane w nim informacje. Wypełnienie elektronicznego formularza zwrotu umożliwi śledzenie statusu zwrotu oraz ułatwi komunikację z działem zwrotów.
2. Wypełniony formularz prosimy o odesłanie razem z towarem i kopią dowodu zakupu (paragon / faktura), dowolną firmą kurierską (na koszt Kupującego), wyłącznie do magazynu zwrotów pod poniższym adresem:
Odbiorca (Adresat przesyłki): ES-COM SERVICE Sp. z o.o. – Magazyn zwrotów i reklamacji MikaShop.pl
Ulica: Aleja Generała Władysława Sikorskiego 19/u17
Kod pocztowy, Miasto, Kraj: 10-088 Olsztyn, Polska
Telefon: +48 668 460 487
(Uwaga: Siedziba rejestrowa spółki przy ul. Stalowej 7 nie przyjmuje przesyłek i zwrotów!)
3. Paczka jest komisyjnie otwierana i sprawdzana z jednoczesnym nagraniem procesu otwarcia przez system monitoringu. Osoby przyjmujące zwroty ocenią stan produktu i jego kompletność. W przypadku stwierdzenia niezgodności, Konsument ponosi odpowiedzialność za zmniejszenie wartości Towaru będące wynikiem korzystania z niego w sposób wykraczający poza sposób konieczny do stwierdzenia charakteru, cech i funkcjonowania Towaru. Sprzedawca zastrzega sobie prawo do pomniejszenia kwoty zwrotu proporcjonalnie do zmniejszenia wartości Towaru.
4. Zwrot środków nastąpi niezwłocznie, nie później niż w terminie 14 dni od dnia otrzymania oświadczenia o odstąpieniu od umowy (Sprzedawca może wstrzymać się ze zwrotem płatności do chwili otrzymania Towaru nazad lub dostarczenia dowodu jego odesłania).
Return Policy Information (English Version)
Every Consumer has the right to withdraw from the contract and return the goods within 14 days from the date of receiving the shipment without giving any reason. The cost of return shipping is paid by the Customer.
⚠️ IMPORTANT SHIPPING ADDRESS NOTICE:
Returns must be sent EXCLUSIVELY to the Warehouse Address listed below. Shipments sent to the registered company office (ul. Stalowa 7) will not be accepted or collected.
Instructions for international returns (EN):
1. To return an item, please print and fill out the return form / withdrawal form. If you do not have a printer, please prepare a handwritten return statement containing all required information.
2. Send the completed form together with the returned item and proof of purchase (receipt/invoice) via any courier company (at the Customer's expense), strictly to our returns warehouse address:
Company name / Consignee: ES-COM SERVICE Sp. z o.o. – MikaShop.pl returns warehouse
Street: Aleja Generała Władysława Sikorskiego 19/u17
Post code, City, Country: 10-088 Olsztyn, Poland
Telephone: +48 668 460 487
(Notice: The registered company office at ul. Stalowa 7 does not accept return packages!)
3. Packages are opened and verified under camera surveillance. If the returned product shows signs of use exceeding normal inspection, the seller reserves the right to reduce the refund amount proportionally to the reduction in value of the goods.
4. The refund will be processed promptly, no later than 14 days after receiving the withdrawal statement (the seller may withhold payment until the returned goods or proof of shipment are received).
FORMULARZ ODSTĄPIENIA OD UMOWY / WITHDRAWAL FORM
Kliknij poniższy przycisk, aby przejść do instrukcji oraz formularza zwrotu online / Click below for the return form:
📋 PRZEJDŹ DO FORMULARZA / GO TO FORM🚚 Szybka wysyłka tego samego dnia!
Zamówienia złożone do godziny 14:00 (pn.-pt.) wysyłamy natychmiast z naszego własnego magazynu.
Dostawa na terenie Polski
📦 Paczkomaty InPost
Koszt: 0 PLN (od 199 PLN)
Poniżej 199 PLN: 19,99 PLN
Standardowo do 30 kg
Poniżej 199 PLN: 19,99 PLN
Standardowo do 30 kg
🚚 Kurier DPD / InPost
Koszt: 0 PLN (od 199 PLN)
Poniżej 199 PLN: 19,99 PLN
Standardowo do 30 kg
Poniżej 199 PLN: 19,99 PLN
Standardowo do 30 kg
🚛 Przesyłka gabarytowa / paletowa PL
Koszt: 80 PLN (od 30 kg do 50 kg)
Koszt: 200 PLN (od 50 kg do 150 kg)
Powyżej 150 kg – wycena indywidualna
💵 Opcja płatności za pobraniem (tylko Polska): +20 PLN (~4,64 EUR) do wybranej formy dostawy.
Wysyłka międzynarodowa (Europa)
🌍 Obsługiwane kraje:
Austria, Belgia, Bułgaria, Chorwacja, Cypr, Czechia, Dania, Estonia, Finlandia, Francja, Grecja, Hiszpania, Holandia, Irlandia, Litwa, Luksemburg, Łotwa, Malta, Niemcy, Polska, Portugalia, Rumunia, Słowacja, Słowenia, Szwecja, Węgry, Włochy
📦 Warunki wysyłki zagranicznej:
- Koszt paczki (do 30 kg) dla zamówień poniżej 2500 PLN (~579,78 EUR) : 123 PLN brutto (~29 EUR)
- Koszt paczki (do 30 kg) dla zamówień powyżej 2500 PLN (~579,78 EUR): DARMOWA DOSTAWA
- Forma płatności: Przedpłata (karta, przelew bankowy) – brak płatności za pobraniem
- Powyżej 30 kg / Palety: Wymagana indywidualna wycena
- Koszty wysyłki kumulują się w przypadku zamówień wielopaczkowych.
⚠️ Ważne informacje:
- Darmowa dostawa na terenie Polski dotyczy paczek standardowych do 30 kg przy zamówieniach powyżej 199 PLN (poniżej tej kwoty koszt wynosi 19,99 PLN).
Darmowa dostawa do wybranych krajów europejskich dotyczy paczek standardowych do 30 kg przy zamówieniach powyżej 2500 PLN ~579,78 EUR (poniżej tej kwoty koszt wynosi 123 PLN ~29 EUR). - Płatność za pobraniem dostępna jest wyłącznie na terenie Polski (koszt dodatkowy: 20 PLN / ~4,64 EUR). Przesyłki międzynarodowe realizowane są wyłącznie po przedpłacie.
🚚 Fast Same-Day Shipping!
Orders placed before 2:00 PM (Mon-Fri) are dispatched immediately from our own warehouse.
Delivery within Poland
📦 InPost Parcel Lockers
Cost: 0 PLN (from 199 PLN)
Below 199 PLN: 19.99 PLN
Standard up to 30 kg
Below 199 PLN: 19.99 PLN
Standard up to 30 kg
🚚 DPD / InPost Courier
Cost: 0 PLN (from 199 PLN)
Below 199 PLN: 19.99 PLN
Standard up to 30 kg
Below 199 PLN: 19.99 PLN
Standard up to 30 kg
🚛 Oversized / Pallet Shipping PL
Cost: 80 PLN (from 30 kg to 50 kg)
Cost: 200 PLN (from 50 kg to 150 kg)
Above 150 kg – individual pricing
💵 Cash on Delivery (COD) option (Poland only): +20 PLN (~4.64 EUR) to the selected delivery method.
International Shipping (Europe)
🌍 Supported countries:
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden
📦 International shipping terms:
- Parcel cost (up to 30 kg) for orders under 2500 PLN (~579.78 EUR) : 123 PLN gross (~29 EUR)
- Parcel cost (up to 30 kg) for orders over 2500 PLN (~579.78 EUR): FREE SHIPPING
- Payment method: Prepayment (Card, Bank Transfer) – Cash on delivery not available
- Over 30 kg / Pallets: Individual quote required
- Shipping costs accumulate for multi-parcel orders.
⚠️ Important Information:
- Free shipping within Poland applies to standard parcels up to 30 kg for orders over 199 PLN (below this amount, the shipping cost is 19.99 PLN).
Free shipping to selected European countries applies to standard parcels up to 30 kg for orders over 2500 PLN ~579.78 EUR (below this amount, the shipping cost is 123 PLN ~29 EUR). - Cash on Delivery (COD) is available exclusively within Poland (additional fee: 20 PLN / ~4.64 EUR). International shipments are processed upon prepayment only.
Manufacturer details
DAHUA TECHNOLOGY POLAND sp. z o.o.
Salsy 2
02-823 Warszawa
Poland
[email protected]
Do you have a question before purchasing?
MikaShop – Support & Technical Advisory
Technical Advisory 🌐 English Support 🇪🇺 EU VAT 0% Available
We offer professional advice in selecting professional security, surveillance, and automation systems. We select equipment based on years of hands-on field installation experience.
Kind regards,
Piotr Sobota – Head of Technical Support
📞 +48 668 460 487
Mon–Fri: 9:00 AM – 6:00 PM | Sat: 10:00 AM – 2:00 PM (CET)
International Shipping within the European Union
We provide fast and secure courier deliveries for individual and business clients (with EU VAT / Reverse Charge settlement) to European Union member states, including:
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden
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⭐ MikaShop.pl – Professional Surveillance, Security Systems & Automation
Welcome to the **MikaShop.pl** e-store – a distribution platform created by security system engineers and practitioners. We supply top-tier equipment in the fields of **industrial television (IP CCTV), alarm systems, video intercoms, and gate automation**. We guarantee comprehensive support for single-family homes, commercial facilities, warehouses, and industrial areas.
📦 Product Portfolio – Proven Security Systems
🎥 Professional IP Surveillance
Wired IP camera systems featuring PoE support, Full HD and 4K Ultra HD resolution. Advanced AI image analysis, motion detection, and intelligent privacy masks with full remote access via mobile apps.
📺 CCTV / Analog HD Systems
Dome, bullet, and PTZ speed dome cameras in HD-TVI/AHD/CVI technologies. An ideal solution for modernizing existing coaxial cabling and building cost-effective surveillance systems.
🌐 Wireless Wi-Fi Cameras
Wireless cameras dedicated to quick installation (Plug & Play). Autonomous monitoring for a home, office, or garage with direct push notifications to the owner's mobile phone.
🛠 Ready Surveillance Kits
Complete, pre-configured 2-, 4-, 6-, and 8-camera packages. Included: cameras, NVR/DVR recorder, dedicated Surveillance-class HDD storage, cabling, and power supply accessories.
⚡ Modern Gate Automation
Reliable drives and operators for swing, sliding, and garage gates from leading manufacturers. We offer a full ecosystem: remotes, photocells, GSM controllers, and Smart Home modules.
🔒 Intrusion Alarm Systems
Wired and wireless intrusion detection systems (I&HAS). Advanced control panels, PIR motion detectors, magnetic contacts, and sirens integrated with Monitoring Station reporting systems.
🔌 Recorders, Hard Drives & Professional Installation Accessories
Our regular offer includes digital DVR and network NVR recorders, hard drives optimized for 24/7 continuous operation, as well as complete electrical installation hardware: buffer power supplies, mounting boxes, dedicated brackets, weatherproof junction boxes, and structured cabling (computer twisted-pair cable, coaxial cables). The offer is complemented by **digital IP video intercoms and intercoms** with remote operation and visitor verification capabilities.
✅ Why Do Investors Choose MikaShop.pl?
🇵🇱 Polish Distribution 100% original equipment with full manufacturer warranty.
📐 Engineering Support Technical advisory from experts with 15 years of installation practice.
🚚 Logistics & VAT 23% Lightning-fast shipping from a warehouse in Poland, full VAT invoice.
🔄 Secure Purchase Flexible settlement terms and 14 days for product returns.
🧰 FAQ – Knowledge Center & Frequently Asked Questions
🎥 Industrial Television (CCTV) & Surveillance
What home surveillance system should I choose?
The choice of home surveillance depends on the building's finishing stage. For houses in a raw state or before renovation, digital IP surveillance powered via twisted-pair cable (PoE) is optimal. It ensures maximum stability, highest image quality (4K Ultra HD), and resistance to interference. In finished buildings where cabling cannot be routed, wireless Wi-Fi systems with local power supply work great.
IP or analog home surveillance – which is better?
We definitely recommend IP surveillance. It offers higher resolution, intelligent AI image analytics (human/vehicle recognition), and easy expansion via PoE switches. Analog surveillance (HD-CVI/AHD/TVI) is a good and economical solution mainly when you are modernizing an old system and want to reuse existing coaxial cables.
How to design outdoor surveillance for a single-family home?
Effective outdoor surveillance should cover all entry points (doors, garage gate, wicket) and the property perimeter. Selecting cameras with the appropriate viewing angle (2.8mm lenses for a wide shot) and IP66/IP67 weather-resistant enclosures suited to weather conditions is key. It is important to mount cameras at a height that prevents easy tampering (approx. 3-4 meters).
Cameras for a construction site – wireless Wi-Fi or GSM 4G/LTE?
A permanent Wi-Fi network is rarely available on a construction site, making external SIM card-based GSM 4G/LTE cameras the best solution. They allow full remote preview in places lacking network infrastructure. It is worth choosing battery-powered models or those supported by a solar panel, making site surveillance 100% autonomous.
What surveillance system works best for a company or large warehouse?
Scalable IP systems based on professional network video recorders (NVRs) supporting from 16 up to 128 cameras are dedicated to companies and warehouses. Varifocal cameras (motorized zoom) for facial and license plate recognition (LPR), integration with access control systems, and advanced disk arrays ensuring secure data recording for the legally required period are crucial here.
What cameras should be selected for a barn or farm?
The specifics of livestock facilities (high ammonia concentration, moisture, dust) require cameras with increased chemical and mechanical resistance (min. IP67 ingress protection class, IK10 vandalism resistance). PTZ speed dome cameras with powerful optical zoom are recommended for barns, allowing farmers to remotely monitor animals (e.g., during calving) from a phone without entering the building.
How does intelligent AI image analytics work in Dahua and Hikvision systems?
Modern IP cameras from Hikvision (AcuSense technology) and Dahua (WizSense/WizMind technology) have built-in deep-learning artificial intelligence algorithms. They allow false alarms to be filtered out by precisely distinguishing human and vehicle silhouettes from moving leaves, rain, or small animals. They also enable the creation of virtual tripwires and restricted zones, whose violation immediately generates a push notification.
Why is it worth buying a ready-made kit for 4 PoE cameras?
A 4-camera PoE kit is the ideal price-to-capabilities balance for a standard single-family home. PoE (Power over Ethernet) technology allows video signal and power to be transmitted over a single cable (UTP computer twisted-pair cable). By purchasing a ready kit at MikaShop.pl, you receive perfectly matched components: cameras, an NVR recorder, an industrial-grade HDD, and a complete set of accessories ensuring a quick startup.
How to get good night-time surveillance (full-color image around the clock)?
To enjoy a clear, full-color image in total darkness, choose cameras equipped with advanced high-sensitivity sensors and bright lenses (F1.0). Technologies such as Hikvision ColorVu or Dahua Full-Color do not use traditional black-and-white infrared (IR), but instead illuminate the scene with visible, warm LED light, allowing full identification of clothing or vehicle colors at night.
When are outdoor pan-tilt Wi-Fi cameras useful?
Outdoor pan-tilt cameras with a Wi-Fi module are an excellent solution for patrolling large, open spaces (e.g., yards, gardens, parking lots) without installing multiple fixed-position cameras. Equipped with an Auto-Tracking function, they follow detected targets, recording their every step.
🔒 Intrusion and Hold-up Alarm Systems (I&HAS)
What home alarm system should I choose?
A good alarm system should be based on certified devices (Grade 2 or Grade 3). The core of the system is the alarm control panel, keypad, external siren, and appropriately placed detectors. Brand selection depends on expectations: for extensive systems with building automation elements, we recommend the Polish brand Satel (Integra/Perfecta series), whereas for those looking for modern design and simple wireless operation – the Ajax system.
Wireless home alarm – which one to buy to keep it safe?
When choosing a wireless alarm, avoid cheap, unbranded devices operating on open frequencies. Professional wireless systems (e.g., Satel Abax 2 or Ajax) use encrypted, two-way radio transmission across multiple bands simultaneously. In the event of a signal jamming attempt, the system immediately changes frequency and alerts the owner of sabotage.
Is a DIY alarm kit a good solution?
Yes, especially for wireless systems. Manufacturers like Ajax design their devices using a Smart-Placement system – detectors are added to the control panel using QR codes in the mobile app, and installation itself is limited to screwing brackets in place. Simple wired systems (e.g., Satel Perfecta) can also be installed yourself with the help of our technical advisors.
What features does a modern home alarm system have?
Modern alarm systems go far beyond intrusion detection. They protect the home against water leaks (flood detectors), detect early fire stages (smoke and heat detectors), and carbon monoxide leaks (CO detectors). They can also cut off the main water valve in case of failure and control lighting, roller shutters, and heating.
How does a phone-controlled alarm work?
A control panel equipped with an IP or IP/GSM module connects to the manufacturer's dedicated, secure cloud. Via a free smartphone app (Android/iOS), the user can arm or disarm the system (the whole house or selected zones) from anywhere in the world, browse event history, and receive instant push notifications about alarms.
How do pet-immune motion detectors (PET function) work?
Pet-immune detectors ignore the presence of dogs or cats (usually up to 15-20 kg in weight). This is thanks to a specially designed Fresnel lens that creates a so-called “dead zone” near the floor, or advanced digital signal processing that analyzes the size and thermal characteristics of the moving object. Dual detectors (PIR+MW) are recommended for homes with pets.
Why is an alarm with GSM notification and a SIM card a necessity?
GSM notification is a crucial backup channel for internet communication (Wi-Fi/LAN). In the event of a home router failure or intentional power cut by a burglar, the alarm control panel automatically switches to the GSM mobile network. This allows uninterrupted SMS alert sending, voice calls (VOICE), and effective signal transmission to a security agency.
⚡ Gate Automation and Drives
What sliding gate operator to choose for up to 500kg?
When choosing a drive, always keep a 30-50% safety margin relative to the gate's weight so the operator easily handles resistance in winter conditions (snow, frost). For a sliding gate weighing up to 500kg, proven, legendary drives based on metal gears, featuring fault-tolerance and easy movement parameter programming, are the ideal choice.
What swing gate operator to choose – narrow or wide posts?
This is a key installation parameter. For narrow posts (metal or clinker with hinge embedding depth up to 10-15 cm), standard linear screw operators are used. For very wide posts (e.g., split-face concrete masonry, where the distance from the hinge to the post edge is over 20 cm), a regular operator will hit the edge. In that case, articulated arm operators are required.
Nice, Came, or BFT gate automation kit – which to choose?
All three brands represent top European quality and guarantee full availability of spare parts for years. **Came** is famous for incredibly durable mechanical designs and service simplicity. **Nice** offers modern design, advanced control panels, and a very popular residential drive line. **BFT** stands out with advanced 24V power technology featuring intelligent torque management (D-Track system).
Universal gate remote – how does programming work?
Universal self-copying remotes work seamlessly with fixed codes (usually 433.92 MHz). However, secure rolling codes are used for branded operators. To program a new remote, you usually need to trigger the pairing procedure directly on the radio receiver inside the drive control unit or use an already programmed remote via radio (near the gate), following the procedure described in the manufacturer's manual.
Gate photocells – connection and operating principle?
Photocells consist of a transmitter (TX) and receiver (RX) forming an invisible infrared barrier across the driveway opening. The receiver connects to the control panel using a power cable and an NC (Normally Closed) line to the safety input (PHOTO/STOP). Interrupting the infrared line while closing the gate results in an immediate stop of the leaf movement and their safe reversal, preventing impact with a vehicle or person.
What underground cable to lay for a gate operator?
For the main control unit power supply (230V), use a three-core, dedicated underground cable in a thick, black PVC armor resistant to moisture and UV, e.g., **YKY 3x1.5 mm²** or **YKY 3x2.5 mm²** (for greater distances from the switchboard). For connecting accessories (photocells, warning lamp, wall buttons), gel-filled outdoor underground twisted-pair cable **U/UTP cat. 5E outdoor** or low-voltage signal cable **YTDY** is ideal.
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