Satco S9394 LED Light Bulb, 54 Watts, For Outdoor and Indoor Use, Mogul Extended Base, Natural Light Minimum Compartment Size (if Enclosed) Length 17.3 inches x Width 9.25 inches x Depth 9.25 inches Lamp Length 10.75 inches x Diameter 3.69 inches Replaces Incandescent 300 Watt / CFL 85 Watt / HID 250 Watt High Lumen Omni-directional LED for Industrial/Commercial applications Ballast by-pass - Direct wire only 100 - 277V UL approved for totally enclosed fixtures ; IP65 rated; DLC approved; Classified under UL 1598C ; Base up, base down or horizontal operation Power Factor &gt;0.9; Operating temperature range -20C to 65C; Operating Frequency 50-60Hz; Working Voltage AC 90-305V Emits no UV light / Contains no Mercury (Hg)