Osram Xenophot 100W 12V Lamp Application: Lamps for special luminaires Medical fiber optics (HLX) Features: Compared to standard lamps up to 10 % higher luminous efficacy (HLX) Instant light (HLX) Increased energy efficiency due to additional infrared coating on glass bulb (XIR) Compared to standard lamps up to 30 % higher luminous efficacy (XIR)