Satco S1950 FTD 20W 12V MR11 Narrow Flood 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 Satco MR11 FTD halogen bulb, 20W, 12V, Narrow Flood NFL Base: GZ4 Miniature 2-Pin, , Rated Life (Hr): 2000, Luminous Flux (LM): ,