American Lighting 27-5MR16-40 27-5MR10-40 LED MR Series 5-watt 270-Lumen Dimmable 40-Degree Beam Angle G10 Retrofit Lamp with Medium Base, Warm White, 1-Pack 25,000 hours rated life Dimmable for 2700k warm white light output For use in indoor environments Instant-on with no warm up time C/UL/us listed