The mobile phone  privacy screen protetor uses the ultra-fine louver polarizing technology to let you see the screen clearly when you look directly at the screen of the mobile phone, but when you look at it from other angles, your line of sight will be blocked, forcing you to not see the screen. content. So how do you choose a privacy screen protetor for iPhone as a novice?

　　1. The hardness of the privacy screen protetor

　　Choose 9H hardness anti-spy film, it can prevent scratches, scratches and other external forces on the screen and protect your phone. 9H only indicates that the glass can withstand the hardness of a 9H pencil, but this is usually just a description of its hardness and does not have the possibility of testing.

　　2. The thickness of the privacy screen protetor

　　The thickness of the mobile phone anti-spy film is preferably 0.2 to 0.3 mm. If it is too thick, it will affect the touch of the screen. If it is too thin, the protection is not enough. A cell phone anti-spy film with a total thickness of 0.3 mm is most suitable.

　　3. privacy screen protetor anti-peep angle

　　The anti-peep angle has a distinction of 30 degrees and 45 degrees, and 30 degrees has a better anti-spying effect, but since it blocks more light, the screen will be dim, and the screen brightness needs to be increased to use.

　　YIPI ELECTRONIC LIMITED is a privacy screen protetor manufacturer with 10 years of production experience. We provide mobile phone anti-spy film for all models on the market. Please contact us at 13433007870!