1.Screen Magnifier Dimensions: The 21'laptop & phone screen amplifier total Length 19 in (50cm), total height 14.3 in (36.5 cm). the screen Length 19.3 in (49cm), height 10.5 in (26.7cm).<br> 2.Protects your eye: Screen Magnifier 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.<br> 3.Laptop & Phone Universal : This laptop & mobile phone screen enlarger adopt HD zoom optical technology, Can be applied to laptop/tablet/mobile screen magnifier.<br> 4. Materials: The 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, effectively preventing mobile phone radiation from harming the human body<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin