Dahua ARD2251E-W2(868) Wireless outdoor PIR+MW sensor for alarm systems – 15m 90° temp 868MHz

Passive outdoor infrared + microwave motion sensor for Dahua wireless alarm system

• Encrypted (AES128) communication between devices at 868.0 MHz – 868.6 MHz, distance up to 1600m in direct line-of-sight mode
• Battery power supply (4*CR123A included), current consumption max 250mA alarm
• Dual element temperature compensated PIR sensor responds to object motion 0.3 m/s-2 m/s, microwave operating frequency 24GHz
• 3 levels of sensitivity, ignore function for animals under 40kg and 80cm, 15m surveillance area at 90° for 1m high installation.
• Battery discharge and ambient temperature monitoring, operating temperature -25 °C to +60 °C, plastic housing
• Management and daily use of the system via the DMSS app.
• Dimensions 211 mm × 106 mm × 94 mm, weight 651g, mounting height 0.8 – 1.3m, adapter ARA34E required for better mounting and guidance.