uxcell AC 110V to DC 5V 20A 100W Switching Power Supply Adapter for LED Strip Light Switch power supply, convert AC 110V/220V to DC 5V 20A 100W. Dual input voltage: AC 110V/220V. There is a switch, choose the proper voltage before use. Protection: Shortage Protection, Overload Protection, Over-voltage Protection:115%-135%,Action output cut-off Reset:Auto Reset or fuse. Safety Compliance CE and RoHS, high efficiency and stable performance. Wide input voltage range, steady and precise output voltage.Great power transformer for electronic equipment, Led Lighting, home appliance etc.