The DC converter can provide your device with protection against over voltage, overload, over current, over heating, short circuit, etc. It is widely used in multi-functional devices such as cars, ships, trucks, golf cart, motors, solar panels, LED light strips, screen displays, etc. | Unique Bargains | | DC 12/24V to 5V 4A 20W Step Down Adjustable Voltage Converter IP67 Waterproof for Car Truck Solar | Silver | Best Buy