ITEM NAME:16mm Universal LED Car Emergency Hazard Warning Light Push Button Switch New Description: It has a wide range of functions. For example, it can be applied as the switches for the additional electrical equipment inside & outside the vehicle. Fit: Head lights, Fog lights, LED Lights, Flashing lights, Dome lights and more). 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. Easy setup. All you need is a 5/8inch hole and the switch will sit in nicely. Specification: Hole size required 16mm. LED voltage: 12V only. Depth inc contacts 35mm. Latching type: push it--on , push it again --off. Package Includes: 1 x Red LED Push Switch. SKU: DMO0001293352036667.Hole size required 16mm. Easy setup. 1 x Red LED Push Switch. Latching type: push it--on, push it again --off. For load under 3 Amp, you do not need a relay with this switch. It has a wide range of functions.