ZOSI 16CH 4K NVR 5MP PoE Security IP Camera System 4TB Audio AI Detect Spotlight

  

The default setting of the NVR is 1024 x 768. If you want to get the 5MP resolution, you need to connect a 2K or 4K TV monitor. If the monitor resolution is lower than 4K, then the system will not show the 4K resolution.