For powerful and efficient commercial and industrial lighting, choose HID metal halide light bulbs. The compact light bulbs are generally used in parking garages, retail spaces, roadways, sport venues, and other applications where color rendering is critical. The light bulbs are also suitable for security and outdoor lighting. Metal halide bulbs work with enclosed fixtures, open fixtures, and pulse start enclosed fixtures. These light bulbs are available in a variety of shapes and wattages, and offer an average life of 10,000 hours.