MAEOLSA a BBB AAA, White Pack of 4 Units. Not Dimmable Energy Saving. Replace 35W halogen bulb by 3W LED. Save 90% on electricity bill of lighting. Narrow Beam. 36 beam angle Easy Installation. Standard MR11 shape with GU4.0 base. Can be easily fitted to replace regular MR11 halogen bulbs. Extremely long life. Lower maintenance costs by reducing re-lamp frequency