SANNCE 8MP 4K CCTV Video Recorder 8CH POE IP NVR For Security Camera System IP66
Just refer to your preference and set up your own security system. This NVR supports 1 channel's playback at 8MP clarity, 2 CH at 5MP, and 4 CH at 3MP. No need to leave your original cams in the corner, but it saves you extra expense.