Prodeals&reg; Pack of 4 GU10 9W Dimmable Warm White LED Light Bulb Pack of 4 DIMMABLE GU10 LED Bulbs: Works with most of dimmers Replace 70W Halogen With 9W LED, Saves over 85% energy cost 60 Degree Beam Spread Very Wide Flood. Standard Size like the Halogen Bulbs Power saving and 50,000 hours long life-span LED bulbs are perfect for 24/7 constant use Eco-Friendly:No lead or mercury; No UV or IR Radiation.