High-pressure sodium vapor lamps for open and enclosed luminaires. Product features: Operation in any burning position possible. Product benefits: Enables a two-year lamp replacement cycle. Ideal for compact floodlights. Areas of application: Streets. Tunnels, underpasses. Buildings, monuments, bridges. Industrial installations. Car parks, courtyards. Parks and gardens. Approved only for use in enclosed luminaires. Outdoor applications only in suitable luminaires.