IView DVR is a H.264/JPEG DVR remote viewer. It can be viewed in non-landscape or landscape mode after filling in IP, port, username, and password. Features: It supports gesture control: 1. Zoom out to switch quard channel mode. In the quard channel mode: a. scroll left to switch next quard channel b. scroll right to switch previous quarter channel In the single channel mode: a. scroll left to switch next channel b. scroll right to switch previous channel 2. Double tap to switch single channel mode In the single channel mode: a. scroll left to switch next channel b. scroll right to switch previous channel notice: If PTZ configure on DVR is enable but there is no the icon of PTZ function with PTZ camera on iView DVR, please update the latest firmware. If channel name is garbage characters or empty, that is your phone does not support the font for the language of DVR configure.