... LED driver Efficiency>86% Output Current:320,350,500,650,700mA UL,CE,ROHS approval 2 year warrant (triac dimmable 350mA Constant Current LED driver ... efficiency > 85% 4.PFC > 0.925.constant current led driver 12-15pcs x 1W 6.constant current 310mA, 320mA, 350mA, ... 500VDC (triac dimmable 3x1W constant current LED driver) (triac dimmable 12v, 24v constant voltage LED drivers) (triac dimmable 320mA, 350mA ...