Introducing the Dimmable GU10 LED light bulb that works on a conventional dimmer switch and has been designed as a low-energy retrofit replacement for the halogen GU10 lamp. Each lamp offers smooth dimming performance from 100% down to 10% giving you control over lighting levels to create the ambience and effect you require. The LED GU10 is a superior high quality light source, offering savings of up to 90% in costs and energy consumption compared to its halogen counterpart.