Foreverlamp GS-400U-VHO-850 commercial LED high-bay retrofit lamp. Designed as an energy-efficient replacement for a 400-watt metal-halide lamp. Features a bright 5000K daylight-white output, E39 mogul screw base, and approximately 24,000 lumens. Intended for warehouses, garages, workshops, factories, and other commercial or industrial high-bay lighting applications. Model: GS-400U-VHO-850 Wattage: 210W Equivalent: 400W metal halide Color temperature: 5000K Brightness: Approximately 24,000 lumens Base: E39 mogul Mounting position: Vertical. This is a specialized commercial lamp. Please verify compatibility with your fixture and ballast before purchasing. It is not intended for a standard household light socket. Please review all photos carefully for the exact condition and everything included. Only the item shown is included.