1. Stream Videos over WIFI or 3G/4G. 2. View up to 4 live video streams. 3. Device management. 4. Snapshot and browse picture. 5. Record and playback video. 6. PTZ control. 7. Landscape and Portrait orientation support. 8. Two-way talk-back. 9. Digital ZOOM. 10. Using QRcode to add new device. …….