8-Pack MR16 Halogen Light Bulbs, GU5.3 12V 50W Spotlight Bulb Dimmable, Glass C

Easy to Install: This MR16 spotlight bulb works with GU5.3 bi-pin base (5.3mm between 2 pins). Simply install the bulb directly into a GU5.3 base lighting accessory. No flicker, no buzzing, effectively prevent eye fatigue.

eBay