Metal halide lamps with quartz technology for enclosed luminaires, Product features: POWERSTAR® quartz technology, Light colors: neutral white (N), daylight (D), Product benefits: Output of up to 400 W, High efficiency, Long lifetime, E40 screw base for simple lamp handling, UV values significantly below the maximum permitted thresholds to IEC 61167 thanks to UV filter, Areas of application: Factories and workshops, Sports halls and multi-purpose halls, Industrial installations, Docks and port facilities, Marshaling yards, container transshipment facilities, Buildings, monuments, bridges, Approved only for use in enclosed luminaires, Outdoor applications only in suitable luminaires,