RAB HID Replacement LED Lamp, Type B, HID-120-EX39-840-BYP-PT Designation, 120 W Wattage, 120 VAC, 1 mA, LED Lamp, EX39 Lamp Base, 18000 Lumens, 50000 hr Average Life, Cool White, 80 CRI, 4000 K Color Temperature, Instant-On Start, By-Pass Ballast, Open/Closed Fixture, 360 deg Beam, 5-1/8 in Dia x 11 in L Dimensions