The SharXS HTI Metal Halide lamp family uses state-of-the-art HTI technology to achieve a particularly high luminous efficacy. The arc in these innovative Metal Halide bulbs  light sources has been reduced to 3–10 mm. What this means for you is that the SharXS produces a higher luminance from the same wattage and therefore saves electricity and reduces your operating costs. More power thanks to higher wattage. Short 10-mm arc for greater efficiency eXtreme Seal (XS) technology for improved thermal loading. Modular design with overall length of 220 mm.