Please be aware this device is designed to view cameras on your local network - Your Substream for your cameras must be set in H.264 mode
For viewing multiple / remote sites you need a Hik-connect based device such as DS-KH9310-WTE1
Please be aware this unit is designed to be wall mounted (Wall mount included) or used with the DS-KABH6320-T Tabletop stand - https://www.cctvempire.co.uk/HIKVISION-DS-KABH6320-T-Tabletop-Stand .
This indoor station can be used to view cameras one at a time from your Hikvision security system (local only) - This uses wifi so doesn't require a direct cable to the DVR/NVR - tapping the screen allows you to view the cameras for 5minutes before going to sleep mode
For full specs click here