Compatible devices: Cellphone. [Packaging]: iPhone 11 / iphone xr Privacy Screen Protector, wet/dry wipes, dust removal stickers, scratch cards.if you have any problems when using the product, please contact us, we will help you solve the problem as soon as possible. If you are not satisfied with the product, you can choose to refund or replace it. [Installation]: Easy to install, no bubbles, smooth exhaust; anti-glare coating, can reduce screen reflection, sweat and oil stains, touch fingerprints. [Daily protection]: privacy screen iPhone 11 / iphone xr protector can effectively protect your phone from daily problems such as daily drops, collisions, scratches and daily wear and tear, suitable for iPhone 11 / iphone xr models. [Protect eyes and filter blue light]:Do you often use mobile phones, do you feel that your eyes are particularly tired and your eyesight is prone to decline? This is affected by the blue rays emitted by the screen. Our protective film not only protects privacy, but also filters 95% of ultraviolet rays and 80% of blue light, effectively protecting the eyes from harmful effects. [Privacy protection function]: The privacy screen filter protects your personal and sensitive information from being discovered by strangers, and is suitable for any public and non-public places. The screen is only visible to the person directly in front of the screen, and 30° anti-peep can effectively protect your data security. To change the privacy angle from 60 degrees to 30 degrees-just adjust the brightness of the phone screen.