Specification: 

Material: ABS

Size:  71*25*20mm (Sensor)

 36*10*17 mm (Magnet)

Battery: LR03-1.5V/AAA*2 (Alkaline battery) Battery Life: 100,000 times trigger

Standby Current:   4uA

Alarm Current:    6mA

Zigbee Frequency:  IEEE 802.15.4

Working Temperature: 0℃~ 40℃

Working Humidity: 20%~85%RH

What's in the box