Philips latest Gen Master LED VALUE spot GU10 4.3W (=50W) in 4000K, 40Deg, is DIMMABLE, delivering MASTER LED quality. Delivers a warm, halogen-like accent beam that is ideal for spot and general lighting purposes. Designed to be the same size as GU10 halogens, to make retrofitting a breeze! It delivers huge energy savings (>90% savings over standard halogen), and minimises maintenance cost without any compromise on brightness. Compatible with existing GU10 fixtures and designed as a retrofit replacement alternative for 50W halogen lamps. Furthermore there is no harmful UV or IR in the beam.