... S Requiremen Universal Switching, Linear AC/DC Adapter, Switching Power Supply Input Rated Voltage :100Vac~240VacInput Frequency ... C-TICK BS KC UCSafety Standard :EN60950-1 UL60950-1 ESD (EN61000 3-3) EN61558.EN60335.EN61347.UL1310CAS (60950 ITE ... , power adapter ,usb charger, laptop adapter, ac/dc adapter, Led driver, dimmable led driver, waterproof led driver etc ... , we are trying the best ...