Anyray A1822Y (10-Pack) GU10 Bulb - MR16 - 50W - (With Back Light) - 50 Watt - 120V - 50Watt Twist-N-lock Light Bulbs (10)-Bulbs GU10 Bulb , GU10 50W, (with Back Light ) gu10 50 Watt 120Volt Anyray A1822Y Universal GU10 Bi Pin Twist-N-lock Base / 2-Pins / WITH COVER Works with 110Volt , 120Volt and 130Volt as well , Long Life: Approx. 2,500 Hours bulb life Used for: ceiling lights, table lamps, outdoor lights, closet lights, undercounter lights High Brightness and Energy efficient light bulb / Anyray