Please follow the steps below to check the left storage of X5C and X5S:
Right-click the mouse to go to Menu > HDD > General > Free Space.
Or, right-click the mouse to go to Menu > Maintenance > System Info > HDD > Free Space.
*Please kindly note that you can only check the free space on the monitor. On the EZVIZ mobile app, the storage in Settings > Storage Status > HDD refers to the HDD's total capacity.