1.LAPTOP SCREEN MAGNIFIER SIZE: Simple and stylish design, Length 19 in (500MM), height 14.3 in (365MM), magnifying screen is 21 in. 2.PROTECTS YOUR EYE: Notebook screen amplifier Use high definition optical technology to enlarge 3 times on the phone screen, Relieves discomfort and visual fatigue caused by focusing on small screens for long periods. 3.HIGH QUALITY MATERIALS: The Computer Screen Magnifying glass uses high-definition optical lens material, the wooden frame bracket is environmentally friendly, and can adjust multiple viewing angles. It can enjoy 3D vision away from the screen, enjoy a happy life. 4.POWERFUL COMPATIBILTY: This mobile phone desktop screen enlarger Projector adopt HD zoom optical technology, Can be applied to laptop / tablet / mobile screen magnifier.