6 Pack PAR38 LED Bulb, 2,000 Lumens, 19.5W, E26 Base, 4000K, 120 277V Product Type_Compact Fluorescent (CFL) Ballasts The die cast aluminum housing allows The die cast aluminum housing allows for superior heat dissipation while the durable polycarbonate lens creates a smooth and glare free light pattern on the ground The conical forms feature cut outs along the edge of the shade allowing light to illuminate downward in a spectacular lighting effect it eliminates the need for ballasts and is fully dimmable with both forward and reverse phase controls* engineered to replace traditional 250W halogen lamps while delivering superior energy efficiency