1、Designed for 23.8 Inch: This computer screen protector is specially designed for desktop computer with 23.8 inch screen. Please verify your computer screen's width and height measurements in advance. 2、Viewing Angle Limits: The screen contents are not visible when looking at it from an angle (the angle is about 30 degrees to 60 degrees). And info can be only seen by persons directly in front of the monitor. 3、Eye Protection: This wide screen protector is conducive to block 96% UV and 65% blue lights, effectively protecting your eyes. Double sided design allows you to choose from smoothing side or matte side. 4、2 Installation Options: This desktop private screen can be easily installed within about 30 seconds, you can use transparent adhesive tape or snap in installation which is detachable. 5、Wide Application: This computer screen filter is suitable for open work spaces, airports, airplanes, trains, coffee shops, office environments, financial institutions and other public spaces.