Osram HLX 64663 Xenophot EVD 36V 400W 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 T6 halogen bulb, 400W, 36V, Base: GX6.35 2-Pin, Rated Life (Hr):, Luminous Flux (LM):,