Hrph 120W Voltage Reducer Converter Regulator DC/DC 48V To 12V 10A For Golf Cart Light compact, convenient to use and transport; All epoxy sealed containers with Waterproof Die-Cast Aluminum Housing; Wire: Red 48V+ in, Black 48V- in ,Yellow 12+ out , Black 12- out. Input transient high voltage protection, output overcurrent protection, output short-circuit protection, chip overheating protection.Note (remember that there is no reverse protection, do not take the anti) Operating temperature at -40 degree to +85 degree. With overload / over-current / over / low voltage protection, stable performance.