Unique HID technology fits into existing incandescent sockets instantly upgrading incandescent systems to Mercury. Long life… up to 8 times the life of standard incandescent – resulting in an 87 % reduction in maintenance labor. Largest self-ballasted mercury product offering in the industry including combinations of wattage, voltage, bulb style, base type, and coating. “Instant on” like incandescent, bright and long life like HID. It’s a brilliant, high-intensity light source with no expensive ballast or new wiring. Nickel-plated base threads ensure that the lamp will be easily removed from the socket after years of operation. Available with mogul or medium bases.