Provides Clear Viewing Angle Of 60 (+/-30 ); Computer Privacy Screen Protector Blacks Out The Display Of A 31.5-Inch 16:9 Monitor To Protect Sensitive Data - Improve Visual Comfort By Blocking Blue Light - Dimensions 27.4X15.4In - Reversible Privacy Filter With Anti-Glare Matte And High-Gloss Sides - Privacy Shield Features An Additional Coating To Protect Against Scratches And Fingerprints - Transparent Adhesive Strips And Side Mounting Tabs Are Included For Installation