... C14 optional ac/dc adpater switching power adapter Spec. as following:Input Rated Voltage :100Vac~240VacInput Frequency Range:47Hz~63HzInput ... (AC:110V and full load)Safety protection :over voltage and current protection for power adapterLeakage Current:<5mADC cable ... factory of swtiching mode power supply, power adapter ,usb charger, laptop adapter, ac/dc adapter, Led driver, dimmable led driver, ...