I recently installed 6 gray market Hikvision cameras I ordered from AliExpress (DS-2CD3145F-I $70 each shipped; 3 running 5.3.9, 3 running 5.3.8). The few Hikvision parameters I have tried on Surveillance Station Pro on my QNAP TVS-682 do not work (I assume the QNAP software is actually querying the camera for its model number). The cameras do work with some ONVIF settings, however I have not trial and error'd any setting to get the alarm functionality on the cameras to work (which is ideal). With all that in mind, does anyone have experience or knowledge with gray market Hikvision cameras and the QNAP SS Pro software? If I am not able to get the alarm software working, I might bite the bullet and just purchase a gray market Hikvision NVR from the same outfit on AliExpress (DS-7604N-E1/4P) and use it instead. I looked briefly for various Hikvision NVR setups and could not find a clear answer, but my current setup has the cameras PoE connected at two locations in the house, so I ideally want to retain this setup and simply register each camera on the LAN within the NVR software - I am assuming that is possible but the Hikvision documentation is unclear whether their 4 port PoE NVR supports up to 16 channels over LAN or is limited to 4 channels (since that is the number of PoE ports it has - all of which I do not plan on using initially). Anyway, apologies if these answers are clear on the forum, but I am new to this realm and opinions are welcome!