You are able to playback recorded video any time when needed. When system exceptions, video loss, motion, or alarm is triggered, you will get the immediate notification. Key Features: 1. 16-channel Live View & Playback 2. P2P cloud device support 3. Push notifications including system exceptions, video loss, motion and alarm 4. Two-Way Audio for AHD&TVI DVR series and NVR series 5. 4:3 and 16:9 video portrait switch support 6. Timeline, motion, alarm playback 7. Quick, slow and rewind of playback operations 8. Snapshot Option 9. Digital Zoom Option 10 .PTZ Control 11. Main stream and sub stream switchable