NEO NAS-DS07W WiFi Door Sensor & Window Sensor

1. Detect open/close status of the door / window 2. Anti-demolition function,push notification when device is removed 3. Battery: CR123A 3V (not included) 4. USB Power supply :5V/1A 5. Standby current: 27.9uA 6. Wireless frequency: 2.4GHz 7. Wireless standard: IEEE 802.11b/g/n 8. Wi-Fi range: 45m 9. Size: 87x27x23mm / 50x13x16mm