Sunlite 03681-su mh1000/u/bt56 1000 watt metal halide light bulb, mogul base sunlight high intensity discharge lamps are perfect for outdoor lighting and commercial interiors. These energy efficient hid lamps offer exceptional efficacy, great color rendition, have a long service life and excellent lumen maintenance. This sunlight 1000 watt metal halide mogul based bt56 bulb offers a light output of 110,000 lumens and has an average rated life of 12,000 hours. Make sure to choose the correct lamp type for your fixtures, check the ansi codes to help determine the best match for the type of fixture and the ballast it uses. Also check if your fixture requires lamps that are pulse start and/or protected. features: package quantity: 6 average life hours: 12000 wattage: 1000 shape: bt56 lumans: 110000