Goodlite G-83438 UL-Listed CRI90+ 40 Degree Beam Angle 4000K Cool White 500 lm Dimmable 50W Halogen Bulbs Equivalent 7W GU10 LED Bulbs Goodlite, Pro series introduces GU10 4100K 120 volt CRI 90, paving the way for a natural and true Color experience in your surroundings Long lifespan: 25000 hours $ saved for 7W = $123 per bulb perfect for 24/7 constant use, application including accent Lighting; art galleries; hotels, museums, offices, restaurants, Easy installation. Standard MR16 shape . gu10n base can be easily fitted instead of ordinary GU10 halogen bulbs Save a lot on your electricity bill with LED Lighting! replace 50W halogen bulb by 7W LED. Now with CRI90+ for a more true and natural Color experience Dimming - this unit is designed to be compatible with most leading edge or incandescent style rotary or slide Type dimmers