Sunlite high intensity discharge bulbs are perfect for outdoor lighting and commercial interiors. Energy efficient HID lamps offer exceptional efficacy, great color rendition, have a long service life and excellent Lumens maintenance. These 1000-Watt probe start metal halide bulbs have a bright 110,000 Lumens output. They are mogul base (E39), BT56 bulbs with an average life span of 12,000-hours. Use in street lights, parking lot fixtures, perimeter lighting, wall packs, and other commercial and industrial lighting applications. ANSI Code M47/S. Confirm ANSI Code to help determine the correct bulb for your fixture and the ballast it uses. Bulb measurements are 7.1 in. Dia, 15.3 in. tall.