Stand Exam Light LEDL260 Mixed with White and Yellow Bulbs After yellow light and white light are mixed, the color temperature and color rendering index are significantly improved. OSRAM Bulbs The Osram bulbs imported from Germany are used for ultra-long service life, which can reach more than 50,000 hours. Intuitive Control Panel Classic three-point design, switch, brightness increases, brightness decreases. The illuminance adjustable in ten levels. Articulated Structure Adjust the spring arm more easily Battery Back-up System In case of power failure, it can support 4 hours of normal use Batteries are selected from well-known international brands. Technical Specifications Model LEDL260 20000-80000 Illumination(lnx) 3500-5000 Color Temperature(k) Color Rendering Index(Ra) ≥90 2 Ratio of Radiation Illumination(mW/m ·lux) ＜3.6 150 Diameter of Light Spot(mm) Lighting Depth(mm) ＞500 16 LED Quantity ＞50000 LED Working L