SMAKN DC 12V 15A 180W Switching Power Supply Regulated Transformer Adaptor AC 110-220V to DC 12V 15A 180W Switch Power Supply Driver. You can choose the input voltage (110V/240V) by switch. With anti-jamming to ensures the long life LED lamps and reduce the LED luminous decay. High quality Switch Power Supply Widely used in Industrial automation, LED display, communications.