The SORAA is the best all around LED MR16 available for indoor and outdoor use, and completely replaces some 35W to 75W Halogen lamps in enclosed fixture applications. Soraa LED MR16 lamp off?ers light output equivalent up to a 75W halogen lamp in a compact MR16 form factor. All Hevi Lite MR16 fixtures are compatible with SORAA GU5.3 and GU10 lamps.