B-right Pack of 5 Units 3W MR16 LED Spotlight Bulbs, 5000K Cool White, 20W Halogen Equivalent, 200 Lumen, 24 Degree Beam Angle, MR16 COB LED Recessed Lighting Non-Dimmable bulb with a high power COB led chip, GU5.3 standard base Hole size: 50mm/2-Inch, Height:55mm/2.2-Inch. Please check the bulb height before ordering, if your old MR16 bulb is a standard size one which use for enclosed tracking light or enclosed landscape light fixture, you can search this MODEL B016KINJ0I or B01GJEPZ46 on Amazon Over 30,000 hours long lifetime, reducing maintenance cost by reducing re-lamp frequency Low 12volt lighting product, safe work voltage for human being and generate less heat than traditional light bulbs Use for office, exhibition, home, hotels, museums, restaurants, retail shops, Accent lighting