【20X & Glass Lens】: Our magnifier is made of high quality double-layer optical glass (no resin or acrylic glass), scratch resistant and extremely high definition for everyday use. The optical magnification real up to 20X and the 85mm lens provide a wider field of view, even a very small printout can be magnified clearly, allowing the visually impaired seniors to read text regardless of size. > 【3-Mode LED Lights】: Built-in 21 LED lights provide extra luminance to ensure a better reading experience even at night or in dark places. There are 3 lighting modes (cold, warm and mixed), which is useful for students and the elderly to reduce visual fatigue in dim light. 【USB Rechargeable】: Never worry about fast battery consumption and the complication of frequent battery replacement by the elderly, this magnifying glass has a 1200mAh rechargeable battery, provides long life reading 8-10 hours at maximum brightness on a single charge. It can be fully charged in 1.5 hours. 【Upgraded Touch