switching power supply, ac/dc power adapter output: 5V1A US,EU,UK,AU plug avaliable UL,CE,FCC,GS ... by CE GS UL FCC ROHS,C-TICK,TUV Plug in : UK ,US,Euro , optionalUSB mobile phone ... 30AEfficiency 80%(MIN)at Rated Voltage DC Output Voltage 5V± 5% (option)DC Output Current 1000mA (option)Ripple and Noise ... supply, power adapter ,usb charger, laptop adapter, ac/dc adapter, Led driver etc ... , we are trying ...