ZOSI 8CH 4K 8MP POE IP Security Camera System NVR 2TB 2-way Audio Smart Detect
The default setting of the NVR is 1024 x 768. This 4K 8 ports NVR can be upgraded to 16CH expandabled with a PoE switch connected(Not included). If the monitor resolution is lower than 4K, then the system will not show the 4K resolution.