A.The WLAN module is not inserted or the inserted WLAN module cannot be recognized

B.The WLAN module has been identified and can work normally

C.WLAN module failure

D.First access, need to re-function module

A.The reason for making a shadow camera is that before using the backup function, you must first clone the camera that needs to back up data to the backup destination server

B.The shadow camera will be displayed in the list of settings on the " Device Management ", " Backup Management " and " Video Playback " pages of iClient of the backup domain master

C.The shadow camera can back up and view data, so that users can identify the shadow camera in the backup domain

D.The shadow camera can also provide live functions for viewing by the backup domain platform

A.None of the above

B.Wind energy

C.Mains

D.Lithium battery

A.Merger

B.Classification

C.Align

D.Sliding window

A.Indoor dome cameras can be installed in the walkway, elevator hall, entrance and exit, etc.

B.Cannot use tube or bolt in the room

C.Indoor dome cameras generally adopt vertical pole installation

D.The hemispherical ceiling installation has poor aesthetics