Specification Brand : HOLDWLDSHT BulletPoint1 : 【Monitor Privacy Screen 21.5 Inch】Privacy screen for computer monitor 21.5 inch Width: 477 mm, Height:269 mm, Diagonal: 21.5" aspcet ration 16:9 compatible with Lenovo, HP, Dell, Acer, Asus, Samsung, Levono, LG, ViewSonic,and other monitor brands.Please verify your computer screen's width and height measurements before ordering. BulletPoint2 : 【21.5 Inch Privacy Screen For Monitor】glare screen for computer monitor Multi-layered privacy filter limits viewing angle to 30-60° degrees,The data is visible only to persons directly in front of the monitor,while prying eyes beside you see only a black screen. BulletPoint3 : 【Two Attachment Options】The privacy screen 21.5 inch monitor can be completed in about 30 seconds.Two methods of installation for your screen protector:1.uses clear adhesive strips that securely attach to any monitor. 2.Removable installation method-snap-in installation, you can install or remove according to your needs. BulletPoint4 : 【 Blue light Screen Protector 21.5 Inch Monitor 】21.5 inch monitor privacy screen filter is not only protected your private life but also protect your eyes by blocking 90% blue lightan and 96% UV .Our computer monitor privacy screen also helps keep your screen safe from dust and scratches. BulletPoint5 : 【Quality Service】You can use it in any place where you need to protect the privacy of your screen, including offices, coffee shops, airports, airplanes, trains...Available anytime, anywhere. Halloive provide no-hassle refund for any reason,Replacement with free replacement if cracks, defects etc. If you have any questions, please feel free to contact us. BulletPoint6 : 【 BulletPoint7 : 【 Clarity : 10 Color : Black CompatibleDevices : 21.5 Inch (16:9) Monitor CompatiblePhoneModels : ALL ExternallyAssignedProductIdentifier1 : 744591248532 ExternallyAssignedProductIdentifier2 : 0744591248532 FinishType : Glossy IncludedComponents : NO ItemHardness : 3H ItemName : HOLDWLDSHT 21.5 Inch(Diagonal) Privacy Screen Filter for Computer Aspect Ratio16:9 Widescreen Monitor Privacy Shield - Anti-Glare - Anti-Scratch ItemPackageDimensions_Height : 54.61 centimeters ItemPackageDimensions_Length : 1.27 centimeters ItemPackageDimensions_Width : 34.29 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : computer-monitor-screen-protectors Manufacturer : HOLDWLDSHT Material : Plastic ModelNumber : RIV001 NumberOfItems : 1 PackageLevel : case PartNumber : RIV001 ProductDescription : Renovate Your Living Space with the Minimum Amount of Work and Cost. Add Total Privacy to your personal life This is valid for most manufacturers of laptops , notebooks and desktops When you see the clear information on the screen while people on the angel of 60°can only see a darkened screen Protect yourself from visual hacking! Highest Clarity Our privacy filters are up to 20% brighter and clearer than other solutions and therefore ideally suited for today's high-resolution computer screen Perfect Size: Our filters are designed to fit your computer screen perfectly. It is essential that you select the right size when ordering. To ensure proper fit, measure the viewable height and width of your laptop screen. (Do not include the screen frame in your measurement.) Then, choose the filter size that matches your exact measurements , or slightly smaller. Keep your business with a privacy screen. Working life has become more mobile .It is safe for your information when working in public spaces such as café ,airports or shared offices. Privacy screens ensure you can work comfortably wherever you are by narrowing the viewing angle on your device.And the data on screen can only be seen clearly from directly in front of it. Package content: 1 Screen filter Installation accessories instructions ProductSiteLaunchDate : 2022-11-07T20:43:31.810Z ScreenSurfaceDescription : Matte ScreenSurfaceDescription1 : Matte ScreenSurfaceDescription2 : Glossy Size : PF21.5W9 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 43212001 WarrantyDescription : 1 YEAR