HIKVISION iVMS-4500 is a mobile phone surveillance application just based on iPhone, which supports the full line of Hikvision products, including the DS-7000/8000 series DVRs (dual stream models), DS-7300/8100 series DVRs, DS-9000/9100 series DVRs, DS-6000/6100 series digital video servers, as well as network cameras and speed domes that support standard H. 264 video codec. The key features of HIKVISION iVMS-4500 Mobile Surveillance Application include: Real-time video preview of up to 16 channels. Swipe for PTZ control and camera movement, pinch to zoom in and out in preview mode. Support for preset activation and configuration, as well as calibration for brightness. Snapshot support. Management of up to 256 sets of devices. Device profiles can be added / deleted / modified.