Long arc, no outer bulb for enclosed luminaires. Product features: POWERSTAR® quartz technology. Product benefits: Very high efficiency. Very high luminous flux. Ideal for compact floodlights. Good positioning thanks to K12s base. Areas of application: Sports stadiums and floodlight systems. Industrial installations. Airports. Docks and port facilities. Marshaling yards, container transshipment facilities. Approved only for use in enclosed luminaires. Outdoor applications only in suitable luminaires.