Description: 1. 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) 2. 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. 3. Easy setup. All you need is a 5/8" hole and the switch will sit in nicely. 4. LED on all the time or only when switch is on(depending how you wire it)Features: 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 it¨Don， push it again -- off Package Include: 1 X Blue LED Push Switch