Dahua ARD2251E-W2(868) Wireless External Triple-Tech Detector

Dahua ARD2251E-W2(868) Wireless External Triple-Tech Detector

Features:

• Anti-masking detection
• Ingress Protection: IP66
• Implements moving detection to prevent someone move or detach device
• Pet immunity: up to 80 cm, 40 kg
• Provides a dual backup system, and uses auto recovery when an update fails
• Enables monitoring of environmental temperatures
• Features cloud update,allowing convenient remote updates via the mobile app

Specifications:

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

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 uA

Alarm Current: 

• Without Camera: 26mA (Avg); 250 mA (Max)
• With Camera in Night: 380 mA (Avg); 1.5 A (Max)