Sylvania 58766 - 500Q/CL/MC (EVR) 120V Screw Base Single Ended 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 Sylvania T4 halogen bulb, 500W, 120V, Base: E11 Mini Candelabra, 2950K, Rated Life (Hr): , Luminous Flux (LM): ,