Wide Application: 24 Inch computer screen filter is ideal for open workspaces such as airports, planes, trains, coffee shops and other public places. Clear Picture: Anti blue light screen protector can be used on both sides, frosted surfaces anti dazzling coating design, glossy screen is clearer. 30 Degrees Left Right: Anti blue light screen protector makes the screen "black screen" from a certain angle (more than 30 degrees on the left and right sides) to effectively block intimacy. Blue Light Protection: The 24 Inch computer screen protector reduces harmful blue light, and the high hardness rating also provides a layer of physical protection for your screen. Multi Purpose: Anti blue light filter can protect intimacy, anti dazzling, anti reflection, UV and blue light reduction, also protect the display from scratches.