Franklin has employed the science of Visual Ergonomics to enhance your reading experience. FlexVue patent-pending technology gives you color corrected focused light for any lighting condition. Optimized lighting means less eye strain, providing the best viewing experience in any lighting condition. Spot magnifier is ideal for reading small print and viewing details of your crafts, hobbies, and more! Go green with this energy saving LED device! Spot magnifier provides hours of reading enjoyment plus uses far less energy than an incandescent lamp.