This 15' wiring harness is designed to connect a single Rigid Industries LED light 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 Rigid Industries harness is compatible with the following Rigid Industries LED Lights: SR-M (Pair), SR-M2 (Pair), SR-Q (Pair), SR-Q2 (Pair).