?PRIVACY EFFECT TIPS?Privacy feature appears difference under different screen brightness and user environment, the lower screen brightness to 50-75%, the better privacy, the stronger sunshine light, the better privacy feature too. If you have any doubts on product or installation, we will do everything within our power to make sure you are satisfied. ?24 Inch Computer Privacy Screen? - 24 Inch Computer Privacy Screen Filter is compatible with 16:9 All-in-One Desktop/Frameless/Thin Bezel/Narrow Border Monitor. Filter dimensions: 21 3/16" (21.2 inches/ 538.7 mm) width, 12" (12 inches/304.8 mm) height, 24 inch 16:9 Aspect Ratio . FILMEXT Privacy Screen Filter is engineered to be ideally compatible with Sceptre, Acer, HP, Dell, ASUS, LG, SAMSUNG, Lenovo, ViewSonic, BenQ, Philips and other monitor brands. ?INFORMATION GUARDIAN? - 24 Inch monitor privacy screen limits viewing angle to ± 30°, the image will be progressively harder to read out as the viewing angle increased, any attempting to steal a glance from the right or left will only be able to see a dark screen. ?HASSLE-FREE INSTALLATION? - FILMEXT 24 inch privacy screen filter comes with the non-marking fixing adhesive,100% bubble-free and edge-sealant installation, easily install and remove in minutes, firmly stability. ?ANTI 69.7% BLUE LIGHT&97% UV&EYE FATIGUE? - FILMEXT 24 inch computer privacy screen filter(for 16:9 All-in-One Desktop/Frameless/Thin Bezel Monitor)take self-developed upgraded composite materials, can block the harmful blue light between 380nm~490nm from the wave range of visible lights, reduces eyes stress.