SleekLighting MR16 LED, 8 Watt, 550 lm, 12V, dimmable, Light Bulb Spotlight, Recessed, Track Lighting. DC12V (Pack of 4) 4 pack of 8 Watt MR16 LED Energy Saving Bulb Light output of 550 Lumens, Warm White 3000K, Dimmable UL Listed---2 3/8" Easy Installation. Easily fits instead of ordinary MR16 halogen bulbs 3 year NO-HASSLE FREE-REPLACEMENT GUARANTEE