Features:  

* Fresnel optical lens prevents false alarms and omissions

* Double lenses, double temperature compensation technology

* Intelligent volume recognition, pet immune design max. 25kg

* Mirror-type detection technology: enhance sneaking/crawling alarm

* Anti-white light intensity 10000Lux

* Big ring LED

Parameter: 

Working voltage: 3V (2 AA alkaline batteries, universal)

Standby current: <9μA

Alarm current: <10mA

Wireless frequency: 433.92MHZ (1527)

Effective distance: 200m (open)

Alarm indicator: long press for 3 seconds

Anti-dismantling switch: normally closed

Transmission mode: wireless transmission

Alarm output: alarm report