Ushio 1000293 - EHR JPD120V-400WG Projector 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 Ushio T4 halogen bulb, 400W, 120V, Base: R7s Recessed Single Contact, 2900K, Rated Life (Hr): 2000, Luminous Flux (LM): 7750,