These led bulbs are manufactured to the highest possible standards making them an ideal and reliable bulb for replacing old halogen lamps. These are non-dimmable thermal plastic bodied gu10 bulb, ideal for spotlights, wall lights and downlights. They are not only ultra energy saving (only 5w) but they develop a wonderful 450 lumens and have a colour rating of 4500k (cool white). Ideal for use in kitchens, dining rooms, hallways, living rooms, hallways, bedrooms and more! ValueLights 10 Pack GU10 White Thermal Plastic Spotlight LED 5W Cool White 4500K 450lm Light Bulb