This item is professional switch panel, made of premium material, which is composed of 6 combination switches, dual USB ports, cigarette lighter socket, voltage display combination. Easy to install, fit all kinds of vehicles, boats, motorcycles, buses, boats, ships, trailers and so on.Features- Color:Black.- Material: Aluminum alloy, ABS, rubber.- Size:About17.50X10.70X9.00cm/6.88X4.21X3.54inch.- Working current: 10~20 (A).-Input voltage: 12-24V.-Output voltage: 5V 3.1A.-Voltmeter measurement range gt;: 6-33V.- LED light color: Blue light.- Adopted by high grade material, sturdy and durable for long-lasting use.-Easy to replace, protect panel from over-heating, over-currents, over charging and short circuit.-Intimate use of dual SUB charging port design, can well satisfy your various charging needs.- Multi-functional 6-button switch panel, can meet your needs well.-Suitable for many kinds of vehicles, boats, motorcycles, buses, boats, ships, trailers and so on.