ENHANCED PRIVACY – Protect your privacy with an WELINC privacy screen filter. WELINC Privacy Protector makes on-screen data visible only to individuals sitting in front of the monitor. WELINC privacy screen filter makes the screen appear dark when looking at it from an angle (the angle is 30° Each - Both 60°), but bright when looking directly at it. WELINC monitor screen protector features multiple layers of thick film with revolutionary micro-louver technology.PERFECT FIT WITH 17 INCHES DIAGONALLY MEASURED - STANDARD SQUARE monitor - Aspect Ratio 5:4 - Filter Size: Width: 16 5/16 inches, Height: 10 11/16 inches (338mm x 271mm). Contact us if you have any questions about dimensions.BLUE LIGHT & ANTI-GLARE EYE PROTECTION - Not only will your WELINC filter protect your login and other data from prying eyes, it reduces harmful blue light. And its high hardness rating also provides a layer of physical protection to your screen.EASY INSTALLATION – includes two, easy-to-attach options - Attachment strips and Slide-mount tabs. Package contains Extra installation kits (option 1 and 2). We guarantee all screen filters have 100% quality due to hand checking.100% MONEY BACK GUARANTEE - WELINC is the leading computer screen privacy film producer, so we're happy to provide a no-questions-asked money back guarantee on your purchase. We're proud to make the best. Choose WELINC with complete buyer confidence!Size : 17 Inch 5:4 WELINC Privacy Screen Filter for 17 inch 5:4 stanard monitor screen. Filter Dimensions : width 16.3"e; (338 mm), height 10.68"e; (271 mm) Keep your computer screen private from coworkers and onlookers. WELINC monitor Privacy Screen Filters are compatible with laptops, notebooks, desktops, and all-in-one computers. They are ideal for open office settings, schools, financial institutions, mortgage companies, and medical offices. Core Function : While people who are directly in front of the privacy screen filter have a clear view, the view for those outside the 60-degree viewing angle is blocked to ensure privacy and security. Installation Options : Option 1 - consists of clear adhesive strips Option 2 - consists of slide mount tabs – both of which can be effortlessly installed in minutes. Main Features: Privacy Protection Anti-Glare Blue Light Reduction Protects Computer Screen from Scratches Dual Finish (Privacy Enhancing Glossy or Glare-Reducing Matte) Black, Frameless, Thin, and Lightweight Landscape Orientation 2 Easy-to-attach Options Package Contents : 1x WELINC 17"e; 5:4 Premium Privacy Screen Filter 1x Sets of Transparent Adhesive Strips 2x Sets of Transparent Plastic Slide Mount Tabs (long & short) 1x Microfiber Cleaning Cloth