This GU5.3 MR16 S11 6W LED Bulb is made from PC / aluminium and provides us with a pleasant tone of light, along with focused and high quality light. GU5.3 bulbs are widely used in ceiling lights and also for lighting shop windows. This GU5.3 MR16 S11 6W LED Bulb is the perfect alternative for replacing older traditional GU5.3 halogens, achieving energy savings of up to 80%. Installation is very simple, just remove the halogen bulb and install the new GU5.3 bulb straight to the mains. This bulb allows us to remove the additional consumption of conventional ballasts (electric or electromagnetic), increasing our energy savings. Thanks to a reduced size, power and low consumption, these bulbs are perfect for shops, display cabinets, hallways, wardrobes, bathrooms, kitchens, etc. Not Dimmable.