First Alert 4800 - Manual (Page 63)

DVR Settings
Model 4800 User's Manual
HDD C APACITY
This field shows Total/Available HDD storage capacity. Discrepancies may exist due to
system usage of the HDD.
H ARDWARE V ERSION
This field shows the current hardware version of the DVR.
S OFTWARE V ERSION
This field shows the current software version of the DVR.
S OFTWARE R ELEASE D ATE
This field shows the release date of the current software version.