... ~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, ... *Efficiency : >51%*Power in No-load: <0.3, comply with ENERGY STAR program requirements for ... external power supply-version2.0.*Protection : Short circuit protection, Themal protection.Compliances ...