Compatibility: Perfect for 24-inch computer monitor screens with a 16 : 9 Aspect Ratio, Width : 20.9 inches (531 mm), Height : 11.7 inches (298 mm), Diagonal : 24 inches (610 mm), excluding raised bezel. Enhanced Privacy Protection: After installing the monitor privacy screen protector, the screen content can only be seen clearly in front of the monitor. When the left and right angles exceed 28 , the screen will become very dark, so there is no need to worry about the content on the screen being spied on by the surrounding people. The screen will dim a bit when using this protector, just turn up the monitor brightness. Anti Glare: The privacy screen protector is made of imported filtering optical material, which can effectively filter UV rays and harmful light. It can relieve and fatigue caused by working in front of the monitor for a long time.