The Hi-Tech Lamps part number UXLS150MO-U is a 150 watt (150W) short arc xenon lamp made by Ushio. Short-arc xenon gas discharge lamps feature a continuous wavelength spectrum that approximates daylight color temperatures and have excellent color rendering characteristics. This makes them ideal for a variety of scientific, analytical and medical illumination purposes including spectrophotometry, solar simulation, microscopy, handheld searchlights and surgical lighting. It has an average lifetime of 3000 hours with an initial output of 2900 lumens (2900 lm). This lamp is also known as Ushio UXL-S150M-O and 5000375.