Sealed micro switches are a special product of micro switches, which have the characteristics of gas sealing. They have higher reliability and explosion-proof performance in complex environments such as low temperature, high temperature, vacuum, irradiation, as well as harsh environments such as high temperature and oil and gas in the engine compartment. The main products include KWQM4 series, KWQM5 series, KWQM6 series, KWQMY1 series, KWQMY2 series, KWAN series, etc.