ZOSI 8CH NVR 4K 8MP PoE IP security camera System With 2TB NVR AI Detection IP66
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.