SYLVANIA 58763 - ESM - Stage and Studio - T12 - 250 Watt - 120 Volt - Mini Candelabra Base - 2950K 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, 250W, 120V, Base: E11 Mini Candelabra, 2950K, Rated Life (Hr): 2000, Luminous Flux (LM): 4850 ,