amzdeal&reg; 4 Pack of Ultra Bright GU10 LED Light Buld Lamp Spotlight Daylight 110v 4w (Day/ Warm White, 330 Lumen, 50 Watt Incandescent Equivalent) (Day/Cool White-4w-4pcs) Affordably priced at up to 50% less than competitor LED bulbs. For use in recessed and track lighting. Long life-span LED bulbs are perfect for 24/7 constant use Save electricity bill. Replace 50W halogen bulb by 9W LED, save 90% on electricity bill of lighting Eco-Friendly. No lead or mercury. No UV or IR Radiation These LED light bulbs are widely used as down lighting or accent lighting in shops, offices and the home