Registered Community Design Pending. 25 Lumens per Watt . Patent Pending. One for one replacement for MR16 halogen lamp. May be used with most electronic & magnetic transformers & LED drivers. Max. three 9W lamps per 60VA electronic transformer. Not suitable for use in fire rated downlights. Lasts 10 times longer than an equivalent incandescent lamp (10,000 hrs). Maximum ambient temperature (Ta) 50°C. Non-dimmable. If used with occupancy sensors these should be set to a 20 minute minimum.