OSRAM FCS 64640 150W 24V HLX 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 OSRAM T4 FCS halogen bulb, 150W, 24V, Base: G6.35 2-Pin, Rated Life (Hr): 50, Luminous Flux (LM): 6000,