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