[multifunctional control panel] 5 blue LED switches, cigarette lighter socket, dual USB 2.1 A / 5 V charger and digital LED voltmeter. 15 A fuse 15 A built-in fuse to protect your devices against overheating, over current, over voltage, overload, under voltage and short circuit. [Easy installation] The red cable is connected to the power supply & nbsp; + & nbsp; and the black cable to the power supply & nbsp; -. Working temperature -25 80 . IP65 waterproof, RoHS and CE certificates. It is made of high quality ABS, PC and PBT materials and aluminum plates. [wide use] The control panel is suitable for most of DC 12V-24V cars, UTV / ATV, trucks, trailers, motorhomes, caravans, buses, ships, Suitable for yachts, airplanes, etc.