Light Blue&trade; (4 PACK) LED 6-Watt Dimmable 50W Equivalent, GU10 MR16 High Power Cool White Light Bulbs, UL-Listed 4-Pack LED 6-Watt GU10 Dimmable, Instant on, Saves over 80% energy cost Perfect Standard Size like the Halogen Bulbs for Recessed Lighting, Track Lighting, Eco-Friendly. UL certified. No lead or mercury. No UV or IR Radiation Color temperature 4100K (Cool White), 38 degree beam Spread, 400 lumens, 30,000 Life hours, UL certified. Replace your 50W Halogen With 6W LED. Solid State. Shockproof and vibration proof. Track Lighting,