This is a Smart Door/Window Sensor, adopts extra low power consumption ZigBee wireless module, long battery use life.
Radio protocol:ZigBee(IEEE 802.15.4)
Power supply:DC 3V (2 pc AAA battery))
Standby current:≤5uA
Alarm current:≤35mA
Detection distance:>15mm
Temperature range: -10~50 ℃
Humidity range:≤95% RH (no condensation)
RF range:70m (in an open area)
Dimension: 76 × 36 × 16.5mm/76 × 13.9 × 16.5(magnet)mm
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