HD Optical Lens: This rectangular magnifying glass features large, wide lenses. The main lens measures 10.3 x 5.5 cm, covering a wide field of view without needing to move your hands. Can be used vertically or horizontally: This powerful magnifying glass is designed for various applications and can be used vertically or horizontally at different angles. Clear optical quality lens: This rectangular magnifying glass provides a clear, distortion-free image. This magnifying glass is perfect for reading small text on bottles, magazines, newspapers, documents, maps, and more. 10x magnification: The 10x rectangular lens specifically simulates how we naturally perceive things, and the magnifying glass has a larger field of view without you needing to constantly move your hands. As a gift: Choose this product as a gift for the elderly during the holidays. It is an excellent choice to help grandparents see and read books.