The COIL Raylite 3 LED Stand Magnifier features LED lighting to produce a high brightness light and maintain energy efficiency and battery life. The handles and the heads are aterchangeable. Additionally, the sealed LED light is maintenance free. The Raylite 3 uses an aspheric magnifying lens to provide a highly illuminated, defined, low distortion image. COIL stand magnifiers feature interchangeable head and handle allowing you to create and update your personal magnifier if your future vision needs change or to replace a broken lens. A quick release battery cap allows you to easily replace batteries.