Wireless gas detector alarm lpg leakage detector

This SR-910YR is an indoor combustion gas detector with high stability , The detector is applied in indoor places where combustion gas leaks possibly happen..... Features: * Detect Natural Gas, LPG, Coal Gas, combustible Gases * Wall Mounted can be worked with solenoid valve or exhaust fan * Sound and Flash Alarm * Three Indicators: Power, Alarm, Fault * Long Lifespan Semiconductor Sensor with High Stability * Advance Microprocessor Technology * Auto Check Sensor Failure * Auto Reset After Leaked Gas Clears * Strict Calibration of Alarm Level in Gas Chamber * 24-48 Hours Aging Tests of both PCBA and Finished Detectors more detail：https://www.firealarmfactory.com/lpg-alarm.html