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: 6x6x12mm/0.24x0.24x0.47 inchButton Diameter: 3mm/0.12inchMaterial: Plastic, Metal, Electric PartsColor:Black, Black, Silver ToneNet Weight:19g Package Content:55(+/-2%)PCS x Tact Switch