Features 1、Enhanced Private and Wide Usage: The private film provides a 60° visible area from the front, making the screen clear while appearing dark from side angles (30° to 60°) to prevent office snooping and data leakage. Ideal for use in airplanes, subways, airports, and public spaces to protect your private at all times. 2、Blue Light and UV Safety: This computer screen protector filters harmful blue light wavelengths between 380 to 420nm, using advanced blocking technology to defend your eyes, sleep, and skin. It also filters out 99 percent of harmful UV rays to reduce eye fatigue, providing extensive high energy visible (HEV) safety. 3、High Light Transfer: Designed for 24 inch (547 x 320mm) computer displays, this blue light screen protector is made of high transparency acrylic to effectively prevent dust and scratches, ideal for students, working professionals, gamers, and programmers in offices or at home. 4、Reduce Eye Strain and Improve Sleep: Enjoy your digital time without worrying about eye strain, blurry vision, or headaches. Defend your health with a blue light block for better sleep and eye safety, reducing eye fatigue and promoting healthier sleep patterns. 5、Easy Installation with No Bubbles: Simple to install by removing the thin film on both sides of the computer screen blue light block after cleaning the display. Hanging the protector on the display for a no bubble and easy installation process. The acrylic material offers a quality feel, making it reusable and convenient for switching between computers as needed. Specification Item Type: Computer Private Screen Material: Acrylic Suitable for: 24 inch (547x320mm / 21.54x12.6in) computer display Viewing Angle: 30 degrees left and right Built in Polymer Lithium Battery: 30mAh Filters Wavelength: 380 to 420nm blue light (non filter beneficial light), 99% UV safety Package List 1 x Computer Private Screen 1 x Blue Light Lamp 3 x Buckle 1 x Cleaning Cloth 1 x Blue Light Test Card 4 x Protective Case