Protect your screen from prying eyes with the Kensington Snap2 Privacy Screen for Widescreen Monitors | Limited Viewing Angle - Narrows the field of vision on the monitor to +/- 30 degrees, helping you keep the information on your screen private, which is important when you're viewing confidential or sensitive information at your desktop | Spring-Loaded Mount - Installs on the top of your flat-panel monitor, with adjustable springs so it can be extended to the edges for easy mounting | Blue Light Reduction - Filters harmful rays by up to 30%, which is helpful as blue light has been shown to interrupt sleep patterns and even cause retinal damage | Monitor screen proportions 4:3, 22 inch diagonal, Fits outside monitor dimension of 20 to 22 inch in width | Narrows the viewing angle of your monitor to shield data from on-lookers | Top bracket secures screen to differently shaped flat panel monitors without hassle, adhesive or cumbersome frames | Hard-coated film protects sensitive screens from smudges and damage | Textured surface with light tint to reduce glare and improves contrast | Fits up to 22 inch flat panel monitors | Frame-free construction clings to screen and won't obstruct controls or speakers