ZOSI 8CH/16CH 4K NVR 5MP PoE Security Camera System AI Detect Network 24/7 View
The 4K 8 ports NVR can be upgraded to 16CH expandabled with a PoE switch connected(Not included). NVR has 8 channel and 16 channel for option. Also, the hard drive has 2TB and 4TB for option. The default setting of the NVR is 1024 x 768.