MICTUNING 40 Amp Universal Wiring Harness for Off Road LED Light Bar_Relay_fuse WITHOUT SWITCH READY TO CONNECT ROCKER SWITCH MICTUNING wiring harness WITHOUT switch,ready to connect rocker switch,easy to install. Details Makes Perfect:adopt 16 Gauge 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 & 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. 12FT Extendable Wiring Harness:more than 12ft of wiring from relay to lights that is plenty of length to put it where you want, NOT LIKE OTHERS' ONLY 10FT. 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.