DAHUA ALARM DHI-ARD2251E-W2 (868V) Wireless External PIR Triple- Tech Detector with CAMERA ALEQ0012

DAHUA ALARM DHI-ARD2251E-W2 (868V) Wireless External PIR Triple- Tech Detector with CAMERA

$275.99 Including 15.5% VAT

The Dahua ARD2251E-W2-868V is a wireless PIR + MW dual detector with a built-in camera and IR illuminator, designed to ensure video verification of alarm events. Thanks to the integrated camera, you can view real-time alarm images and react quickly to actual events. The device transmits HD images to the alarm control panel or mobile app via 2.4 GHz RF-HD technology, up to 6 HD images with a resolution of 1600×1200 px within 10 seconds. Designed to work with Dahua wireless access control systems operating at 868 MHz, it ensures reliable and precise surveillance.

Technical features

  • Compatibility: DAHUA Wireless Alarm Systems – ARC3800H Series
  • Intended use: External / Internal
  • Frequency band: 868.0–868.6 MHz (alarm), 2.4 GHz (HD image transmission)
  • Radio communication range (open space): max. 1600 m @ 868 MHz, max. 1600 m @ 2.4 GHz RF, 1400 m @ 2.4 GHz RF-HD
  • Alarm signaling: alarm control panel, LED
  • Tamper-proof contact: Yes
  • Battery: 4 x CR123A 3V (included)
  • Battery life: ~3.5 years
  • Power consumption: max. 1.5 A, 20 µA standby
  • Two-way communication with AES-128 encryption
  • Digital detector:
    • PIR sensitivity adjustable on 3 levels
    • Detection angle: 90°
    • Sensor range: 15 m
    • Animal immunity: 40 kg / 80 cm
    • Motion detection: 0.3–2 m/s
    • Bidirectional temperature compensation
    • MW frequency: 24 GHz
  • Built-in CMOS camera:
    • Viewing angle: 110°
    • Supported resolutions: 1280 x 960, 640 x 480, 320 x 240, 160 x 120 px
    • Image format: JPEG
    • Day/Night Mode
    • IR illuminator: 15 m
  • Software update via cloud
Category: Tags: , , , , , , , , Brand:

Description

  • Support anti-masking detection.
  • Support moving detection to prevent someone move or detach device.
  • Supports video verification.
  • IR illumination range of 15 m at night.
  • Pet immunity: up to 80 cm, 40kg.
  • Support environment temperature monitoring.
  • Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable.
  • Features cloud update. You can also remotely update the device on the mobile app.
  • Offers a dual backup system, and uses auto recovery when an update fails.
Details
Video & Audio
Field of View 110° (H) / 60° (V)
Image Type JPEG
Resolution 1280 × 960 / 640 × 480 / 320 × 240 / 160 ×120
Frame Rate 2
Illumination Mode Infrared Light
Illumination Range 15 m (49.21 ft)
Day/Night Switch Colour / Black and White
Function
Indicator Light 1 × green alarm indicator
Button 1 × power switch
1 × detection range adjustment switch
Remote Update Cloud update
Low Battery Detection Yes
Tamper Tamper alarm
Moving Detection Yes
Technical
Detection Mode PIR + Microwave
Sensitivity PIR: 3 levels adjustable
Detection Range Angle: 90°
Range: 15 m (49.21 ft), the installation height is 1 m (3.28 ft)
Detection Speed 0.3 m/s–2 m/s
Microwave Frequency 24 G
Pet Immunity Level < 80 cm (2.62 ft), about 40 kg (88.19 lb)
White Light Resistance Level 10,000 lux
Anti-masking Yes
Two-way Digital Temperature Compensation Yes
Scenario Outdoor / Indoor
Operating Current 20 μA
Alarm Current Without Camera: 26 mA (Avg) / 250 mA (Max)
With Camera in Night: 380 mA (Avg) / 1.5 A (Max)
Wireless
Carrier Frequency 868.0 MHz–868.6 MHz
Transmitter Power (EIRP) Limit 25 mW
Communication Mechanism Two-way
Communication Distance RF: Up to 1,600 m (5,249.34 ft) in an open space
RF-HD: Up to 1,400 m (4,593.18 ft) in an open space
Encryption Mode AES128
Frequency Hopping Yes
General
Power Supply CR123A × 4
Battery Life Without Camera: 5 years (triggers 10 alarms a day)
With Camera: 3.5 years (triggers alarms twice a week)
Operating Temperature –25 °C to +60 °C (–13 °F to +140 °F)
Operating Humidity 10%–90% (RH)
Product Dimensions 263 mm × 106 mm × 94 mm (10.35″ × 4.17″ × 3.70”)
Installation Height 0.8 to 1.3 m
Net Weight 763 g (1.68 lb)
Gross Weight 1.06 kg (2.34 lb)
Installation Wall mount / Pole mount
Casing Material PC + GF
Protection IP66
Certifications CE
Anti-corrosion Level Basic Protection
Storage Temperature –25 °C to +60 °C (–13 °F to +140 °F)
Storage Humidity 10%–90% (RH)
Packaging Dimensions 297 mm × 146 mm × 120 mm (11.69″ × 5.75” × 4.72”)

Related products