LED Republic 2 PACK 12V 3W MR16 GU5.3 LED RGB 16 Colors Change Spotlights 60 Degree Beam Angle for Landscape, Recessed, Track lighting, MR16 base GU5.3;3W ; RGB 16 Full Colors can be changed With use controller. Reduce re-lamp frequency. Lifespan is over 30,000 hrs. Save effort and maintenance costs on changing bulbs frequently Easy Installation. Standard MR16 shape with MR16 base. Can be easily fitted instead of ordinary MR16 halogen bulbs Save electricity bill. Replace halogen bulb by 5W LED, save 90% "Led Republic" is the only authorized one to sell LED Republic products, if you are not purchased from "LED Republic", there will be NO Warranty, and please immediately complained to the Amazon, you can get a full refund!!