... C6,C7,C8,C14 optional ac/dc adpater switching power adapter Spec. as following:Input Rated Voltage :100Vac~240VacInput ... 47Hz~63HzInput Inrush Current :0.3A maxEfficiency :85%(MIN)at Rated VoltageOutput:24V 5AOutput power :120WRipple and Noise :<120Mv ... the profesional factory of swtiching mode power supply, power adapter ,usb charger, laptop adapter, ac/dc adapter, Led driver, dimmable led driver, ...