This 11 foot/3.35 meter wiring harness is designed to connect a single 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 LED Lights: 20 inch-50 inch SR-Series PRO and 10 inch-30 inch E-Series PRO Light Bars.