The Medium power MR16 Bi-Pin 12V LED lamp compares to the 20-25W Halogen. Featuring a 2700K Warm White Kelvin Temperature, this lamp puts forth a 60 degree Spot beam spread angle. Epoxy potted electronics protect against moisture and seal critical components from the elements Cast aluminum heat sink, anodized black, for increased thermal management Generates consistent light output for systems with an operating voltage range from 9V to 15V with no loss in light output because of constant current driver designs Designed and listed for outdoor use in enclosed fixtures or wet locations Integrated, high output Cree LED's tightly binned for high CRI, color uniformity and color quality 30,000 hour life in an enclosed fixture FCC compliance ensures no interference with other electronic devices