this Laptop Privacy Screen Is Compatible With The 2021 And 2023 14" Macbook Pro Laptops.prevent Visual Eavesdroppingthis Privacy Filter Is A Convenient And Cost-effective Solution To Protect Confidential Data From Unwanted Viewers. The Privacy Shield Darkens Your Macbook''s Screen From The Side While Providing A Clear Viewing Angle Of 60 Degrees (+/- 30 Degrees From Center) To The User.reversible Filterthe Privacy Screen Protector Is Reversible, With A Matte Anti-glare Side For Environments Prone To Glare And A High-gloss Side That Helps Retain Color Vibrancy. The Matte Side Provides Additional Screen Protection With A Fingerprint And Scratch Resistant Coating. The Privacy Shield Has A Light Transmittance Of 57.5% Providing Optimal Screen Brightness And Enhanced Levels Of Privacy.hassle-free Installationthe Privacy Filter Is An Exact Fit Design That Will Not Interfere With Top-mounted Webcams, Sensors, Or When Closing The Lid. Affix The Privacy Screen Shield Using The Included Transparent And Residue-free Adhesive Strips.blue Light Reductionreduce Eye Strain And Improve Visual Comfort With This Blue Light Reducing Privacy Shield. It Blocks Up To 51% Of The Blue Light Emitted From The Display In The 380nm - 480nm Wavelength Range. Digital Eye Strain Can Lead To Symptoms Like Headaches, Dry Eyes, And Blurred Vision.