... , Constant Current, CE, ROHS standards 3W*1 LED Driver for Downlight, LED Transformer for Downlight, LED Power Supply for Downlight, Ceiling LampConstant Current,CE ... *315w*4~1020W~50W110~240V50-60Hz40V 1400MA45700.2170*46*373W LED Down Light: 3W LED Driver for Downlight