Provides clear viewing angle of 60 +/30 Laptop privacy screen protector darkens the screen of a 13.3inch 2020 and 2022 MacBook Pro computer to protect sensitive data Privacy shield will not interfere with webcams/sensors/closing the lid Reduce eye strain by blocking up to 51 of blue light Reversible privacy filter with antiglare matte and highgloss sides Light transmittance close to 60 Transparent adhesive strips included for installation