Press the filmThe switch deforms downward, contacting the lower circuit's plate for conduction. Upon releasing the finger, the upper circuit's contact bounces back, breaking the circuit and triggering a signal. The membrane switch features a rigid structure, attractive appearance, and good sealing. It is moisture-resistant and has a long service life. Widely used in electronic communication and electronic measurement.InstrumentIndustrial Control, Medical Equipment, Business SectorSmart ToysHousehold appliances, and other fields.