SleekLighting MR16, 20 Watt, Halogen 12V, Light Bulb Spotlight, Recessed, Track Lighting. 2700K (12 Pack) 20 Watts MR16 Halogen Bulbs 2,500 Life Hours, Indoor/Outdoor Use 12 Volts / 2700 K Pack of 12 bulbs 6 Month, NO-HASSLE FREE-REPLACEMENT GUARANTEE