Master LED spot MR16 10W lamp is DIMMABLE, delivers slightly higher lumens, and a warm, halogen/incandescent-like accent beam. This robustly designed lamp is an ideal retrofit solution for spot and general lighting purposes. It delivers huge energy savings (80% savings over standard halogen), and minimises maintenance cost without any compromise on brightness. This bulb can pay for itself in less than a year, and may last for up to 30,000hrs. Compatible with most existing MR16 fixtures, and designed as a retrofit replacement alternative for 50W halogen lamps. Incorporates Philips patented Intelligent Driver System, which enables broad compatibility with existing electronic and electromagnetic Halogen transformers. Furthermore there is no harmful UV or IR in the beam, which makes it ideal for illuminating heat sensitive objects.