Graffiti Wifi Door And Window Sensor

Product information:
Working Voltage : 3V(2*AAA battery)
Working Current : 19~59mA
Standby Current : ≤35uA
Connect Method: WIFI (802.11b/g/n)
WiFi Distance: 30M(No obstacles)
Installation Distance: ≤2CM
Trigger Distance: 2~3cm
Working Temperature: -10℃~55℃
Packing size :63*27*78MM