Excellent lumen output long life and compact dimensions make this Osram Powerball HCI-TF halogen lamp a great option for accent and decorative lighting applications in museums exhibitions shop windows and reception areas. Rated at 20 Watts this Warm White (3000K) lamp lasts 15000 hours and ensures excellent colour rendition and colour stability throughout the life of the lamp. This capsule lamp features a GU6.5 base is for use only in enclosed luminaires and operates on electronic control gear.