Philips GU10 LED spot light bulbs provide 400 lumens of bright, crisp white, dimmable light at a 35-degree beam angle equivalent to 50-watt halogens at 1/5 of the energy consumption. Ideal for track lighting, these bulbs have retrofit GU10 bi-pin bases that work with Halogen lamps. Not for use with Philips HUE products. Perfect...