... TV (double used) F, Handle on-off freezing image functionG, FACEH, BACK3, DIRECTIONS OF TAKING THE IRIS ... TV or PC, you can see the highest quality image. Proper using and installing this product would make ... can be showed.3. The definition of the image can be adjusted as you like.4. The ... freezing function is contained, which you can analyze the image statues clearly on the screen, like gesture, pores, ...