Features:
Standard Zigbee protocol, good compatibility
Seperate design for body and sensor, efficiently prevent influences resulted from high humidity
Low power consumption design, Low power alert and report
Free tool installation, stick and play
Easy taking out battery and replacing battery
Power: 3V Battery, 1 year battery life span
Dimension: 76*36.6*16.5mm (body) 28.3*26.5*12.2mm (sensor)