Coolseer Zigbee D/W Sensor is a battery powered reed sensor. It can detect the status of a door or window (open or close) and have it reported to your mobile devices. It could also trigger other devices like light, home application, siren and so on.
2.Transport Protocol: Zigbee
5.Support 5V 1A USB Port power
7.Size:Main body: 82mm x 27mm x 23mm
Deputy body: 50mm x 13mm x 16mm