Hikvision offers a line of DVRs featuring high definition imaging in 2, 3, 5 and 8MP recording and display resolution. In addition, Hikvision offers H.265 high-efficiency compression and signature H.265+ codec maintaining 4K video while reducing bandwidth and storage requirements. Value DVRs offer a Power over Coax (PoC) option to power cameras over the existing video cabling remotely from the DVR, eliminating the need for local camera power requirements. HD-TVI video can be transmitted over longer distances than conventional CVBS (SD) resolution. All DVR's offer Tribrid technology which enables support of Hikvision IP Cameras. Value Plus and Pro level Tribrid DVRs support up to 32 analog channel inputs with full conversion to IP camera handling up to 64 channels. All DVRs support VCAs and Hikvision remote apps.