Ideally suited to downlighting and display lighting in museums halls and stairways retail outlets hotels and restaurants this excellent Osram PARATHOM Advanced MR16 LED Lamp has a GU5.3 base and is a superb energy efficient alternative for a halogen MR16. Lasting 25000 hours and reducing energy consumption by 90% this 2 Watt (20W equivalent) Very Warm White (830) lamp is also fully dimmable robust against vibrations and contains no mercury making it environmentally friendly.