5W GU10 LED Light Bulbs, AC 110V, Not Dimmable, 400lm, 3000K, 110 Degress Beam Angle, Standard Size, Recessed Lighting, Track Lighting, Spotlight, Pack of 4 Units - - Amazon.com
What's the Difference Between Par & R Type LED Light Bulbs | | Energy Avenue
What is the Difference Between PAR and BR Bulbs? | Sunco Lighting Blog
How to choose your Halogen Light Bulb from Commercial Lighting Experts.