Product family features: Xenon instead of krypton as the filler gas (XENOPHOT HLX versions), Luminous flux up to 10 % higher with same power consumption (XENOPHOT HLX versions), HLX tungsten halogen low-voltage lamp with or without reflector, Dimmable (HLX). Product family benefits: Compared to standard lamps up to 10 % higher luminous efficacy (HLX), Instant light (HLX). Areas of application: Lamps for special luminaires, Medical fiber optics (HLX).