Singpad New Style LED Power Supply DC5V 40A Regulated Transformer Power Supply For LED Strip, 200Watt LED Power Supply Driver Transformer 120 to 5 Volt Dc Output 200Watt LED Power Supply Driver Transformer 120 to 5 Volt Dc Output Universal AC input / full range High quality Switch Power Supply Widely used in Industrial automation, LED display, communications, etc Protections: overload/ over voltage/ short circuit In-door use only, for this switch power supply is not waterproof.