Descriptions:Feature: momentary contact, 4 pins.Used in the fields of electronic products, household appliances and more.High precision mechanism design offers operation and long service life. Product Name: Tact SwitchType:SPSTAction Type: MomentaryPin Number: 4Dimension: 12x12x9mm/0.47x0.47x0.35 inchButton Diameter: 6.6mm/0.26inchMaterial: Plastic, Metal, Electric PartsColor:Black, Black, Silver ToneNet Weight:11g Package Content:10PCS x Tact Switch