4-channel pentabrid HD-TVI/AHD/CVI/CVBS/IP digital recorder; supports 4 HD- TVI/AHD/CVI, analog or IP cameras in any combination + 4 IP cameras (up to 8.0Mpx) in "Enhanced IP mode" and VCA algorithm for int. functions disabled; built-in Deep Learning algorithm for object classification (people/vehicles) and precise detection of up to 4 cameras or recognition and comparison of faces from a database of 2 cameras; audio transmission over coaxial cable (recording of 4 audio channels); H.265+/H.265/H.264+/ H.264 compression; resolution up to 8 megapixels (3840x2160) for TVI/up to 1080p for AHD/CVI; recording speed (total): 32 fps@8MP, 48 fps@5MP, 72 fps@3MP, 100 fps@1080p/720p/960H/D1 (real-time); up to 1 SATA HDD (up to 10TV/disk); 4 audio inputs/1 output; 4 alarm inputs/1 output; Instant Playback/Smart Search functions; analytical functions: line crossing/zone violation/sound detection/anti-tampering/face detection (1 channel); 2 USB ports; 100Mbit LAN; RS-485; video outputs: HDMI/VGA/BNC; viewing and management via Internet PC/mobile phone (iOS/Android) with free CMS software iVMS-4200/Hik-Connect; P2P; mouse control; graphical menu in Bulgarian; without HDD; 12Vdc/10W; dimensions 315x242x45 mm