Ideally suited to directional and display lighting in halls and stairways museums retail outlets hotels and restaurants this excellent Osram PARATHOM Professional MR16 LED Lamp has a GU5.3 base and is a superb energy efficient alternative for a halogen MR16 lamp. Lasting 40000 hours and reducing energy consumption by 90% this 7.8 Watt (43W equivalent) Cool White lamp is also fully dimmable robust against vibrations contains no mercury and emits no UV radiation.