➤【Wide Compatibility】: This screen protector fits screen sizes of 13.3" diagonally measured, widescreen-aspect ratio 16:9; Filter width: 11.57 in/29.4cm, Height: 6.53 in/16.6 cm), Diagonal: 13.3in(337 mm) . Contact us if you have any confusions. | ➤【Enhanced Privacy in Public】: This privacy screen filter with advanced multi-layered design blacks out your screen when viewing from the side, but bright when looking directly at it. To change the privacy angle from 60° to 30°- simply adjust your monitor's brightness level. | ➤【Anti-Blue Light & Anti-Glare】LAMA laptop screen privacy filter can anti-reflective surface for enhanced viewing comfort, protect your privacy and your eyes with the desktop security screen that reduces blue light exposure to minimize UV radiation up to 96% UV and reducing blue light by 65%. | ➤【Easy Install】: The computer privacy filter installation includes two methods, easy-to-attach options, attachment strips and slide-mount tabs. Package contains Extra installation kits (option 1 and 2). More information about installation in our link. | ➤【100% Customer Service】: If you are not fully satisfied with the products you received, please feel free to contact us. We will provide you with a 100% customer service within 24 hours.