The resolutions supported are determined by the Avalonix DVR model you purchase. We offer two security DVR lines: 4K 8MP and 2K 4MP. The following resolutions are supported by our 4K security DVRs: 4K 8MP, 5MP, 2K 4MP, 1080P 2MP, 720P, and analog resolutions down to CIF. With the exception of 3MP, our 2K security DVRs support resolutions of 4MP and smaller.