Tech Optics LED Illuminated Stand Magnifier (3x / 8D Rectangular)Designed to rest directly on the page to automatically set the optimal focal distance. Features clear, sharp imaging with a high quality lightweight scratch resistant aspheric acrylic lens that delivers a high contrast view. Integrated bright LED lighting provides evenly distributed light, while its low energy consumption ensures an incredibly long battery life without frequent replacements. Smooth gliding design for easy movement across reading