500W 120V P28s Base Halogen 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 Platinum T6 halogen bulb, 500W, 120V, Base: P28s Medium Prefocus, 3050K, Rated Life (Hr): 750, Luminous Flux (LM): 11000,