NEO NAS-DS07B Zigbee USB Door Sensor & Window Sensor

1. Detect the open/close status of doors & windows, and push notifications to mobile phones 2. Anti-demolition function, push notification when device is removed 3. Backup battery: CR123A 3V (not included) 4. USB Power supply: 5V 1A 5. Standby current: 10.7uA 6. Working Temperature: 0 - 40 degrees Celsius 7. Working humidity: 20% - 85% 8. Wireless frequency: 2.4GHz 9. Wireless protocol: Zigbee 3.0, IEEE 802.15.4 10. Network range: 55m 11. Product size: 82x27x23mm / 50x13x16mm