The Osram 64638 HLX 100 watt, 24 volt bulb is part of the HLX Xenophot technology series of medical overhead halogen lamps.
This bulb has a luminous flux of 2900 lumens, a light center length of 30 millimeters, a universal operating position and a rated life of 300 hours.
Osram HLX bulbs use xenon gas fill for increased luminous efficacy (up to 10% higher) and optimum color rendering for hospital, medical office, dental office and examination room applications.