Touch the switch tact switch. When you use it, press the switch button to turn the switch on. When the hand is released, the switch will be disconnected. The internal structure is based on The metal shrapnel is forced to open and break. Such as the IKI series of tact switches.
The tact switch is widely used in electrical appliances due to its small size and light weight, such as: audio and video products, digital products, remote controls, communication products, household appliances, security products, toys, computer products, medical equipment, car buttons, and the like.