... for Downlight, Constant Current CE, ROHS approval Factory Direct Offer 1W*1 LED Driver for Ceiling Lamp, LED Transformer for Downlight ... )Fn(Hz)SECTa(°C)Tc(°C)Weight (kg)Dimension (mm)1w*33W110~240V50-60Hz12V 350MA45700.03538*28*201w*4~64W~6W110 ... Emission EN55015*Immunity En61547*Safety EN61347-1 , EN61347-2-13 1W LED Driver