The iVMS-4201 app is designed to work with ST series HVRs, NVRs and IP cameras which support Cloud P2P function. It allows you to live view your cameras remotely. All you need to do is creating an account and adding device into account, then you can enjoy the real-time video from cameras on a global scale. It also allows you to play back recorded video to search every milestone of your life. When motion detection alarm of your device triggered, you can get an instant message notification from iVMS-4201 app.