RECTANGULAR SHAPE & DESIGN: The magnifier is , therefore, it is perfect for longer reading time, it weights only half compare with other reading magnifiers.Rectangular magnifying glasses are superior to round magnifier, it provides the op timal, most natural shape for reading text without having your hands move all the time. The larger field of viewing lets you read a full line from left to right. SHATTERPROOF/RESISTANT ACRYLIC LENS: The lens is made out of optical grade acrylic which is lighter and more shatter-resistant than glass while provides the same clarity level, the combination of acrylic lens and frame are designed to withstand accidental drop ping on the floor , while the lens of other magnifying glasses would be shattered. SHOCKPROOF & SCRATCH RESISTANT DESIGN- There are two shockproof design housing on both sides of magnifying lens to prevent it from shattered and scratch on surface, you can lay magnifier on flat on table and 't even cause a single scratch It adopts a scientific non- design, the handle size is moderate, and the color matching meets the public's aesthetics. Using durable and wear-resistant materials, touch buttons, 3 levels of light adjustment Scope of application: 1. Suitable for overall magnification of the elderly, students, collections, antiques, etc., the image is clear and bright 2. Suitable for office, white-collar workers, gifts for elders, leaders, etc. Use 3 AAA batteries Reminder: No batteries are shipped from the factory Colour:black+white Material:ABS+acrylic Package Contents: 1 x magnifiers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.