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:8.31x2.17inch - -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 -