The Osram LED AR111 24deg 11.5w in colour 4000k (Cool white) 12v G53 is a fully dimmable LED alternative to conventional halogen AR111 lamps. This product is an alternative to the 75w 12volt halogen version and offers lower running costs and lamp life. Nominal lumen output is rated at 820 with an average lamp life of 40,000 hours. Warm up time is less than 0.1s before maximum light output is reached. The Cap type is a G53 and the beam angle is measured at 24 degrees.