HD plus is the APP for viewing HD live video through HIFOCUS AHD DVR. View HD live cams through P2P and free hifocuslive. Com DDNS from all over the world! Basic function duction: 1. Stream video over wifi, 3G or 4G. 2. View upto 16 live videos at the same time. 3. Device Management. 4. Snapshot and browse picture. 5. Two way commincation. 6. Remote PTZ control.