... , For LED Downlight, Ceiling Lamp, CE, ROHS approval 1W*4~6 Constant Current LED Driver ,LED Transformer, For LED Downlight, Ceiling ... (Hz)SECTa(°C)Tc(°C)Weight (kg)Dimension (mm)1W*6~126W~12W110~240V50-60Hz39V 350MA45700.0791*41*293w*13W110~240V50 ... *315w*4~1020W~50W110~240V50-60Hz40V 1400MA45700.2170*46*37 4W-6W Constant Current LED Driver