用一定的动作力通过一定的行程，使触点速动而进行电路转换的灵敏开关。具有微小触点间隙、瞬时动作和微小行程的特点。按钮开关广泛应用于各种电子产品、仪器仪表和家用电器等颔域。如：汽车电子产品、通讯设备、军工产品、测试仪器、燃气热水器、小家电等。

It is a sensitive switch with tiny contact clearance, instant action and tinny travel .it can drive the contact rapidly and directly in certain travel with certain action force in order to switch over the circuit. The micro switches are widely used in the fields of electronic product, instrument and meter, household appliance, such ascomputer mouse, autombile electronic product, communication facility, military product, test instrument, gas water heater, gas burner, small household facility and so on.