Press the filmSwitches, the upper circuit contacts deform downward, contacting the lower circuit's plate to conduct, and when the finger is released, the upper circuit contacts rebound, breaking the circuit and triggering a signal. The film switch features a stringent structure, an attractive appearance, and good sealing properties. It boasts characteristics such as moisture resistance and a long service life. Widely used in electronic communication and electronic measurement.InstrumentIndustrial Control, Medical Equipment, Automotive IndustrySmart ToysAppliances, household goods, and other related fields.