12V 16mm blue led Push Button Metal ON/Off Switch Power Symbol Angel Eye Blue LED Material: metal ,Hole size required 16mm 5/8" ,Depth inc contacts 35mm Lamp type:two LED light(Symbol&Angel Eye LED),LED voltage: 12V only Contact Configuration: 1NO 1NC,Operation Type:Latching,Latching type: push iton(off), push it again -- off (on) It has a wide range of functions. For example, it can be applied as the switches for the additional electronical equipment inside&outside the car. (such as flashing lights, chassis lights, and dome lights) For load under 3 Amp, you do not need a relay with this switch. For load above 3 Amps, we advice you to use of Automotive Relay.