LED Corn Cob HID Replacement, Corn Cob Bulb Shape, Mogul Screw (EX39) Bulb Base Type, LED, 4000K, 7,800 lm, Wattage Equivalency 250W (150W-250W) MH/HPS, Watts 54 W, 100 to 277 V AC, Bulb Beam Angle 360 Degrees , Dimmable Yes, Bulb Designation LED Corn Cob, Bulb Primary Application General Purpose, Bulb Type Standard, 3 3/8 in Bulb Dia., 9 5/8 in Overall Length, Rated Life 50,000 hr, Indoor/Outdoor Usage Indoor/Semi-Protected Outdoor, Shatter-Resistant Yes