This 11' wiring harness is designed to connect a single 10"-30" LED light bar to your 12V electrical system. It features battery terminals on one end and a Deutsch connector on the other to connect to the light. It incorporates an inline fuse holder, a 12V relay, and a waterproof switch. This harness is compatible with the following Rigid Industries LED Lights: 10"-50" SR-Series PRO and 10"-30" E-Series PRO Light Bars.