Satco #BAB - 20 watt - 12 volt - MR16 - Miniature Bi-Pin (GX5.3 GU5.3) Base - 2,900K - Warm White - Black - Reflector Flood - Dimmable | Satco Halogen Incandescent Light Bulb (20MR16/BAB/B/C S4178 04178)