COMPATIBLE Xiaomi Smart Home Gas Alarm Sensor Detector, US Plug(White) 1. Adopt dual air inlets at the front and rear, supplemented by built-in sensors to monitor the concentration of natural gas in real time 2. When a natural gas leak is detected, an audible and visual alarm of no less than 70db high decibel will be issued immediately 3. Built-in Bluetooth gateway, supporting many Mijia Bluetooth gateway sub-devices 4. Open the Mijia APP to realize the remote self-check, and check the natural gas concentration in real time through the APP 5. Using PC+ABS flame retardant material, it is not easy to fade after long-term use 6. Alarm setting value: 10%LEL 7. Detection range: 0-20%LEL 8. Working voltage: 220VAC50HZ 9. Working temperature: -10 to 55 degrees Celsius 10. Working humidity: 93% RH (non-condensing) 11. Wireless connection: Wi-Fi IEEE 802.11 bgn 2,4GHz 12. Bluetooth: 4.2 version 13. Detection gas: methane (CH4) 14. Product size: 80 x 29mm (including mounting plate) 15. Product net weight: 5g (including mounting plate, without adapter)