Kawell Wiring Harness (for LED Light Bar Off Road Power 40A Relay Fuse On-Off Switch (1 Lead 10Feet)) Universal fit: designed for any LED Offroad light bar, HID and Halogen lights. Premium quality: Heavy-duty 14 American Wire Gauge (AWG) silicon-infused cable protects from surges, spikes, and heat, while relay and inline fuse act as last line of defense from early burnouts Details: IP 67 weatherproof rating, Includes 10ft wire harness, 40A power relay, 30A blade fuse, switch and waterproof light bar connectors Easy to install: just plug and play, compatible with all vehicles or boats (10-30 V). 100% SATISFACTION GUARANTEE: KAWELL Brand, no reason for return or change, hassle free 12 Month warranty.