(Privacy Protection)anti-peeping when you are on bus, subway, office, payment ,elevator, meeting.,Anti-peeping on the side, does not hurt the eyes, protects privacy, the screen is clearly seen at 90 degree on the front, and the screen is black when left and right is less than 45 degree , and the content of the mobile phone cannot be seen , There is no anti-peeping effect on the top and bottom of the phone