Streamlight 45911: LiteBox Note: 8watt spot most popular for fire dept use. Replacement Lamp Assembly 8 Watt Spot (Replaces the old sealed beam style lamp).Note: If you are changing from the old sealed beam, you need Retro Kit: SL40107. This lamp now has the new Bi-Pin bulb, which allows future replacement of only the Bi-Pin halogen bulb. DO NOT DISCARD the lamp reflector. Unscrew the bulb and replace with Bi-Pin bulb. SL45901 8W Bi-Pin 100 hr