High Lumen 13442lm E39 Mogul Base 400W Metal Halide Replacement 100w LED Corn Bulb Lamp Ac90-277v 6500K Cool White for Parking lot Warehouse Easy to install: Bulb with an E39 mogul screw base, making it a super easy LED retrofit and incandescent/metal-halide replacement. In most cases, just screw in. In others, since LEDs use a driver and not a ballast, you must bypass the ballast (Halide and other bulb types). Consult your electrician. Low power consumption. Save more than 80% in electricity compared with conventional high pressure sodium and metal halide lamps. Widely used in warehouse, parking lot, street,gas station, garage lighting High Lumen 13442lm E39 Mogul Base 400W Metal Halide Replacement 100w LED Corn Bulb Lamp Ac90-277v 6500K Certification and Warranty: UL DLC approved, 5 Years warranty direct from NGTlight