8 channel 5 in 1 ZVR HDCVI/HDTVI/AHD/CVBS + 16 IP channels. H.265 Pro+, H265 Pro, H.265, H.264+, H.264. Audio: 4 in / 1 out. Synchronized playback of 8 channels. Recording: 8MP (8 fps, only TVI/IP), 5MP (12 fps, only TVI/AHD), 4MP (15 fps), 3MP (18 fps), 1080P, 720P, 960H, D1/4CIF, VGA, CIF, QVGA, QCIF (25 fps). HDMI (4K, 2K) and VGA (1080P) simultaneous. BNC output at D1/4CIF. Alarm: 8 in / 4 out. 1 HDD SATA. Onvif, P2P, DDNS. 2 USB, 1 RS485. 12V DC.