Descriptions:Feature: momentary contact, 4 pins.Used in the fields of electronic products, household appliances and more.High precision mechanism design offers acute operation and long service life. Product Name: Tact SwitchType:SPSTAction Type: MomentaryPin Number: 4Dimension: 3x4x1.8mm/0.12*0.16*0.07inchMaterial: Plastic, Metal, Electric PartsColor: Black, Silver ToneNet Weight:2g Package Content:20PCS x Tact Switch