MICTUNING 12ft LED Light Bar Wiring Harness - Power Relay Laser GREEN ON-OFF Rocker Switch (LED LIGHT BAR) Specially customized for those people who need a high quality wiring harness; Universal fitment, 2 sets of power connectors to light fixtures, IP 67 WATERPROOF rating Includes SPST On/Off Rocker Switch, Power Relay, Blade Fuse, more than 12ft wire & connector kits Package comes with Paper Instructions, easy to install, plug & play Great for LED light bar, Off Road, 4x4, Jeep, SUV, ATV and any other automobiles or boats lights CAUTION: If the wiring harness wired to battery+/- directly, the rocker switch glowing even when the vehicle is off; it will stop glowing only if it is hooked to a source on your fuse panel that is activated by the key; DO NOT let the wiring harness short circuit, it will be melt