Halostar standard 64425 12V 20W G4 bulbs instantly produce 100% light, offering high-quality illumination with excellent color rendering. Perfect for creating brilliant accent lighting, these dimmable halogen bulbs set the right mood. With incredibly small dimensions, they are ideal for revolutionary luminaire designs. Approved for use in open luminaires and equipped with a UV filter, these mercury-free bulbs provide general illumination in various settings such as kitchens, mirrors, reading areas, entrances, shops, restaurants, hotels, offices, and public buildings.