Benchmark by Viribright 4.5W MR Narrow Flood 60-Degree, GU10 Base, 110-120VAC Dimmable LED Light Bulb, Warm (Soft White) 2800K 220 Lumens (Replaces 25W Halogen MR16/GU!0) 220 Lumens - Narrow Flood 60 Degree Dimmable - 110VAC 50/60HZ Fits fixtures with GU10 sockets Replaces 25W Halogen MR/GU10 Great for interior track and down light recessed can 2" and 3.5" applications Contains no Mercury Runs Cool - Safe - Lowers HVAC Costs Lasts up to 25,000 hours (22.8 years based on 3 hours of usage per day over the anticipated life of the LED light bulb) UL Listed - LDL Listed - ROHS - ASABE