... 4~6 Constant Current LED Driver ,LED Transformer, For LED Downlight, Ceiling Lamp, CE, ROHS approval 1W*4~6 Constant Current LED Driver ,LED Transformer, For LED Downlight, ... requirements for external power supply-version2.0.*Protection : Short circuit protection, Themal protection.Compliances: *Magnetic Emission EN55015*Immunity ... -60Hz40V 1400MA45700.2170*46*37 4W-6W Constant Current LED Driver