Satco S9390 18 Watt (70 Watt HID Equivalent) 2,400 Lumens Length 6.87 inches Diameter 2.75 inches Non-Dimmable LED Natural Light 5000K Medium Base Ballast by-pass 100-277 Volt, Approved for Totally Enclosed Fixtures Minimum Compartment Size (if Enclosed) Length 8.5 inches x Width 6 inches x Depth 6 inches Lamp Length 6.87 inches x Diameter 2.75 inches Replaces Incandescent 120 Watt / CFL 32 Watt / HID 70 Watt Ballast by-pass - Direct wire only 100  277 Volt UL approved for totally enclosed fixtures ; IP65 rated; cULus listed ; Base up, base down or horizontal operation High Lumen Omni-directional LED for Industrial/Commercial applications 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)