OSRAM SYLVANIA FAD 650w 120v R7s Halogen light Bulb Halogen light bulbs have a longer life and a higher light output than incandescent bulbs Halogen bulbs have a whiter and brighter light and less blackening, dimmable with most dimmers Applications: interior, interior recessed lighting, track lighting, security lighting OSRAM Double-Ended FAD halogen bulb, 650W, 120V, Base: R7s Recessed Single Contact, 3200K, Rated Life (Hr): 100, Luminous Flux (LM): 16500,