Short arc, no outer bulb for enclosed luminaires. Product features: POWERSTAR® quartz technology. Light colors: neutral white (NDL), daylight (D). Product benefits: High efficiency. Good to excellent color rendering. Excellent color stability. Small loss of luminous flux over the life of the lamp. Hot restrike capable. Compact dimensions for small spotlights. Good positioning thanks to K12s base. Areas of application: Sports stadiums and floodlight systems. Sports halls and multi-purpose halls. Airports. Solar simulation, material testing. Approved only for use in enclosed luminaires. Outdoor applications only in suitable luminaires.