Long arc, without outer bulb for enclosed luminaires. Product features: POWERSTAR® quartz technology. Product advantages: Very high efficiency. Very high luminous flux. Ideal for compact floodlights. Good positioning thanks to K12s base. Areas of application: Sports and floodlight systems. Industrial facilities. Airports. Shipyards and port facilities. Marshalling yards, container handling facilities. Only approved for use in enclosed luminaires. Outdoor applications only in suitable luminaires.