Specifications:Universal Fits all off road vehicles, automobiles, Boats and devices equipped with a 12V power source.40A Power Relay and Inline Blade Fuse for multiple safety protection.1/2/4 leads output connections, it can hook with1/2/4led work light or1/2/4led light bar and any else off road LEDs.10ft(3m) of wiring that is plenty of length to put it where you want.Illuminated on/off toggle switch - can easily turn on/off the lights.Note:Professional installation highly recommend, please let professinal installer to wire the harness kit;Package Includes:1x Wiring harness full wiring kit