MICTUNING LED Light Bar Wiring Harness Off Road Power 40A Relay Fuse ON-Off Switch (2 Lead) MICTUNING MIC-B1001 wiring harness kit with on/off switch and easy to install Details Makes Perfect:adopt flexible strand copper wire,up to 180 watt load capacity.It is universal fit for any 7" 10" 12" 20" 30" 40" light bars that is within 180w Great Construction:40A Power Relay and Inline Blade Fuse for multiple safety protection.With 2 lights output connections,it can hook with 2 led work light or 2 small watt led light bar and any else off road LEDs 10FT Extendable Wiring Harness:up to 10ft of wiring that is plenty of length to put it where you want CAUTIONs:We recommend professional installation,pls let professinal installer to wire the harness kit; If let the wire short circuit,the harness would melt and even caught a fire,We suggest that wrap all exposed wire with electrical tape to avoid a short circuit; Pls make sure your light within power 180W, or it would got melt as well