The peep-proof film adopts the unique patented MICROLOUVER optical technology in the world, so that the information displayed on the screen can be read by users in the front, and the visual area is 60 degrees, so anyone can watch it from both sides.
I can only see dark pictures. The visual area of voyeurism is 60 degrees, that is, you can only see the darkness from the left and right 30 degrees (beyond 30 degrees, you can't see it from the left, from the leftmost 30 degrees of the screen, and from the right).
You can't see it from the far right of the screen for more than 30 degrees.