... .2. operation: auto-reser and auto-lock;3.contact structure: single-throw (1NO+1NC)4. lampshare color: red, green, yellow, white, blue ... lamp, push button switch with lamp push button switch, selector switch, with lamp selector switch, key switch, double push button switch, emergency stop switch, buzzer, accessory and ... ,12mm,16mm,22mm,25mm; 8mm small momentary illuminated push button switch