1. Detect door is open or closed, push notification to mobile phone
2. Power supply: AA battery x 2 (not included)
3. Standby current: 6.5uA
4. Working temperature: 0 - 40 degrees Celsius
5. Working humidity: 20% - 85%
6. Working times: 5000
7. Wireless frequency: 2.4GHz
8. Wireless protocol: Zigbee 3.0 IEEE 802.15.4
9. Network range: 55m
10. Size: 82x42x16mm / 82x11x18mm
