About this item Input: You can choose the input voltage (110V/240V) by switch. The input is 110/240 volts AC and the output is DC 5V 8A 40W. It is perfect for all 5V projects, such as WS2811, 2801, WS2812B, APA102, SK6812 LED Strip Pixel Light, CCTV Camera, Security System, Computer Project, etc. Protection: Short circuit protection, overload protection, over-voltage protection: 115%-135%, action output cut-off reset: auto reset or fuse. Application: High quality switch power supply widely used in industrial automation, communications, LED strip light, low voltage lighting, etc. Size: 4.33 x 3.07 x 1.38 inches.