Q19.How to back up videos from wireless camera system NVR

1. Insert a extra multi-USB disk to NVR for connecting the USB disk and mouse

2.Right click system and choose “Video Backup”

 3.Click “search” to find the videos already saved in the hard drive

4.Select the videos you want to back up, and click “back up” to save them into USB disk

 5.Save and back up to USB disk