NEO NAS-AB03W1 WS09W3 WiFi Smart Water Leak Alarm Kit(White)

WiFi Siren Alarm (Host) 1. USB Power Supply: 5V-1A 2. Backup Batteries: CR123A-3V x 2 3. USB Interface: Type-C 4, Sound: 90dB 5. Wireless Distance: 45m 6. Wireless Type: 2.4GHz 7. Wireless Standard: IEEE 802.11b/g/n 8. Host Functions: Paired with 2.4G sub-devices 9. Types of Sound : 11 kinds 10. Alarm Duration: 10 to 1800 seconds 11. Working Temperature: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) 12. Working Humidity: 1% to 95%RH (non-condensing) 13. Size: 68mm x 68mm x 33mm Water Sensor (Sub-device) 1. Battery: AAA LR03 1.5V x 1 (replaceable) 2. Sleep Current: 10uA 3. Working Temperature: 0 to 50 degrees Celsius 4. Working Humidity: 1% to 95% 5. Wireless Type: 2.4GHz 6. Farthest Distance: 260M 7. Status Indicator Light: LED(Red) x 1 8. Size: 67mm x 67mm x 24mm