AN-302 is a wireless combustible gas alarm independently developed by Weichuan Technology, which can detect the concentration of combustible gases such as indoor gas in real time. Once the concentration exceeds the standard, the alarm will immediately trigger a sound and light warning, evacuate the crowd in a timely manner, report the alarm to the monitoring platform, and inform the user in the form of a mobile app push. The AN-302 combustible gas alarm is powered by 220V mains electricity, plug and play, and easy to install. Widely applicable to application scenarios such as home kitchens, school canteens, factory canteens, hotel restaurants, etc.