The JH-81 wireless low-power gas detection alarm device can be installed in any area that requires monitoring. It connects wirelessly with the JH-20 wireless low-power gas detection alarm controller to create a real-time wireless area monitoring system, suitable for drilling teams or other highly mobile units and departments. The system is also equipped with intelligent management software, allowing for remote monitoring of sensor status, logging alarms, and recording fault information, facilitating convenient oversight from a distance.