MQ gas detection and induction sensor, combustible liquefied sensor, with multiple specifications. It is a powerful sensor that can accurately detect a variety of gases, especially combustible liquefied gases. This sensor has multiple specifications to meet the application requirements of different scenarios and needs. Whether it is the monitoring of combustible gases in the industrial environment or the detection of specific gases in some special places, it can play an important role. Its high sensitivity and accuracy provide reliable support for ensuring safety.