The Brilliance 2 Watt 12V MR11 GU4 Bi-Pin is designed to fit in standard low voltage MR11 fixtures. These LEDs are thermally engineered to operate in enclosed fixtures and provide added security by automatically cooling down and reducing lumen output when exposed to extreme heat. Available in a variety of beam angle options in static white color temperature and Amber. Equivalent to a 20 watt halogen. Dimmable with Brilliance Dimmer and most low voltage magnetic transformers. Limited beam angle options available in Amber. Note: Sold as a 20-pack.