eTopLighting (5 Pack) MR11 Halogen Light Bulb, 12 Volt 20 Watt Halogen Bulb MR11 Bi-Pin Base, MR11-12V-20W(5) (5 Pack) x MR11 Bi-pin Halogen bulb 12 Volt 20 Watt Base: MR11 Bi-Pin Base Dimension: See Attached Picture Long Life: 1.4 years (Based on 3 hours/day) | Color Temperature: 2800K Versatile Usage: Applicable Home, Office, Restaurants, and Stores Crisp and Brilliant White Light, Excellent Beam Control, Comes with a glass cover