This compact dimmable mr16 led light bulb is easy to install and gives 230 lumen. You can simply use these LED bulbs to replace your current 20 Watt light sources. Using the existing transformer and is dimmable. 

Suitable for use in lighting fixtures including recessed downlights, surface mounted downlights and ceiling and wall lamps with GU5.3 lamp fitting and lamp diameter of 50mm.