€246.76
Not in stock — available for pre-order. Dahua products ship from the EU warehouse (usually about a week) or from China (about 2 months); we will reply with the exact delivery time and a quote.
- Ordered before 14:00 from our Tallinn warehouse — dispatched the same business day
- Collection from our Tallinn warehouse is always free — delivery options and prices
- 14-day right of return for private customers
- Need advice? +372 6715042
Product "Dahua ARD2251E-W2(868) Dahua Wireless External Triple-Tech Detector"
Dahua ARD2251E-W2(868) is a wireless outdoor PIR + microwave (MW) detector for the AirShield alarm system. Its triple-tech design (PIR + microwave + optical) with an intelligent algorithm delivers accurate 15 m / 90° detection and reduces false alarms. The IP66 housing withstands outdoor weather.
Key Advantages and Features:
- Outdoor triple detection: PIR + microwave + optical technology, 15 m / 90°
- Fewer false alarms: Intelligent algorithm distinguishes people from environmental noise
- Pet immunity: Up to 40 kg / 80 cm height
- Anti-masking: Anti-masking and movement detection against tampering
- Weatherproof: IP66, operates −25 °C to +60 °C
- 868 MHz wireless: AirShield two-way link, AES128 encryption, up to 1600 m
- Tamper protection: Tamper protection against case opening
Technical Specifications:
| Parameter | Specification |
|---|---|
| Type | Outdoor PIR + microwave (MW) detector |
| Detection range | 15 m |
| Detection angle | 90° |
| Technology | Triple: PIR + microwave + optical |
| Pet immunity | Up to 40 kg / 80 cm |
| Wireless | 868.0–868.6 MHz, two-way, AES128, up to 1600 m |
| Battery | CR123A × 4, up to 5 years |
| Tamper protection | Yes, anti-masking |
| IP rating | IP66 |
| Operating temperature | −25 °C to +60 °C |
| Dimensions | 211 × 106 × 94 mm |
Best suited for: protecting yards, entrances and gardens where reliable outdoor detection with minimal false alarms is required.
| Alarm device type: | Sensor |
|---|---|
| System: | Wireless |
Dahua Technology – Enabling a Safer Society and Smarter Living
Dahua Technology is a world-leading video-centric AIoT (Artificial Intelligence of Things) solution and service provider. Dedicated to technological innovation, Dahua offers reliable security systems and smart video solutions tailored for residential users, commercial enterprises, and the public sector alike.
Why Choose Dahua?
Cutting-Edge Innovation: Dahua invests heavily in Research & Development (R&D) each year, consistently bringing highly accurate AI-driven video surveillance technology to the global market.
Comprehensive Security Ecosystem: Their extensive product portfolio includes high-resolution IP and analog cameras, smart video recorders, access control systems, video intercoms, intrusion alarms, and smart home solutions.
Proven Global Reliability: Trusted in over 180 countries, Dahua products are renowned for their exceptional build quality, outstanding image clarity, and user-friendly operation.
Through continuous innovation and world-class video technology, Dahua helps create a safer environment and streamlines daily operations for businesses and communities worldwide.
Videovalve is Dahua's official distributor in Estonia. See Dahua's official partner list (dahuasecurity.com)
Login