This 11′ wiring harness is designed to connect a single 10″-30″ LED light bar to their 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″ E-Series, 10″ SR-Series, 20″ E-Series, 20″ SR-Series, 30″ E-Series, 30″ SR-Series, 40″ E-Series, 40″ SR-Series. Features: 16 AWG Wire Deutsch Connector Inline Fuse Holder 12 Volt Relay