This system will control all of your lights on any vehicle. Just mount, wire, power, and control all your auxiliary lights and other 12 volt devices even. 12-volt system includes all wiring and mounting hardware Direct fit for 07-17 JEEP JK’s – Universal with slight modification for other vehicles. -Voltage range:DC12-24V -About 8.86 x 2.72 x 2.17 inch -Two hole distance:8.31×2.17inch -Overload protection: 12V 20A DC; 24V 10A DC4-Rugged aluminum with black texture powder coating painting finish – Operating Temperature: -25 degree to 80 degree -Short circuit protection, overload protection & reverse polarity protection -Voltmeter monitor the battery voltage and battery voltage state