This detector is a brand-new, high-stability combustible gas detector used for detecting combustible gas leaks, etc. It adopts an advanced semiconductor gas sensor, offering stable performance and long service life. The detector incorporates an MCU for central control processing, with each functional module connected directly or indirectly to the I/O port lines of the MCU. The program embedded in the MCU ensures the normal operation of all functional modules, making the detector more stable, safe, and reliable. This product is suitable for safety monitoring in places where combustible gases may exist, such as residential areas, villa districts, hotels, and apartments.