The BLF LED Omni-Cob Bulb is an excellent energy-efficient replacement for 175-500W metal halides. 6,400~8,000 lumens, 6000K color temperature. Disconnect ballast. Suitable for enclosed luminaires. Designed for reliability and optimal performance, the BLF LED Omni-Cob Bulb features superior optics to increase visibility and security through even illumination with 360° of light. With its Integrated Heat Sink and Advanced Thermal Management System, the BLF Omni-Cob bulb reliably lasts up to 10 years at an on-time of 10 hours/day. The BLF LED Omni-Cob bulb significantly reduces energy use, maintenance costs, and environmental impact while providing the highest quality of light.