BWR-01A is a fuel gas detector with high stability, used for checking the leakage of fuel gas and increase the safety. It adopts advanced catalytic gas sensor with high stability and sensitivity features. The detector supports microprocessor technology, it can trigger light and sound alarm, and remotely send related gas density value to alarm host by RF. It is suitable for areas where gas leakage may easily occurs. The gas detector can be used standalone, also can work as accessory in smart home application to realize remote alarm.