Fangrui Product Details 1. Compatible Xiaomi Smart Home Gas Alarm Sensor Detector, Us Plug(white) 2. Adopt Dual Air Inlets At The Front And Rear, Supplemented By Built-in Sensors To Monitor The Concentration Of Natural Gas In Real Time 3. When A Natural Gas Leak Is Detected, An Audible And Visual Alarm Of No Less Than 70db High Decibel Will Be Issued Immediately 4. Built-in Bluetooth Gateway, Supporting Many Mijia Bluetooth Gateway Sub-devices 5. Open The Mijia App To Realize The Remote Self-check, And Check The Natural Gas Concentration In Real Time Through The App 6. Using Pc+abs Flame Retardant Material, It Is Not Easy To Fade After Long-term Use 7. Alarm Setting Value: Lel 8. Detection Range: 0-lel 9. Working Voltage: 220vac50hz 10. Working Temperature: -10 To 55 Degrees Celsius 11. Working Humidity: Rh (non-condensing) 12. Wireless Connection: Wi-fi Ieee 802.11 Bgn 2,4ghz 13. Bluetooth: 4.2 Version 14. Detection Gas: Methane (ch4) 15. Product Size: 80 X 29mm (including Mounting Plate) 16. Product Net Weight: 5g (including Mounting Plate, Without Adapter)