The input voltage: AC 100V/240V, the output current: 5Amps, Widely used for ws2812b led strips, ws2811 pixel led etc. Smart device surge protection for Shortage, Overload, Over Voltage Dual input voltage: AC 110V/220V. There is a switch, choose the proper voltage before use Cooling by Free Air Convection, High Quality and High Performance, LED power supply with a metal body for hidden installation for LED lighting, Design with Built-in EMI Filter, improve signal precision, High Efficiency, Reliability & low energy consumption, Category – Switch Mode Power Adaptor (SMPS), MTBF >50,000 hours, Output Type – DC, Output – 5Volts 5Amp, Shell Material: Metal Case / Aluminum, Base Color: Sliver,  IN-DOOR USE ONLY!