... protection 3.CE,FCC,ROHS USA plug 12V 1A AC/DC power adapter with CE FCC ROHS : ModelXYYY ... 100ms,30ms/230VACInputAC input voltage range100~240VAC 47~63Hz AC input current (max)0.36A Efficiency ≥75% ≥ ... conditions of input voltage is 230vac, nominal rated load and 25°C.2, Ripple and noise voltage ... etc 3. Assembly full inspection: to make sure every unit with power ,without low voltage, without bad led ...