DAHUA 16-Channel EI Series IP Recorder (with image analytics) The Dahua NVR4216-EI IP Recorder is used in professional video surveillance systems. It offers excellent performance at an affordable price. The device supports up to 16 IP cameras. A high input bitrate of 256Mb/s allows for effective cooperation with high-resolution cameras. All images recorded by the device can be saved on two hard drives with a total capacity of 32TB. The device supports the ONVIF protocol, thanks to which it can be compatible with most IP cameras on the market. The recorder has built-in AI functions such as: perimeter protection (2 channels) or face detection / recognition (1 channel), object classification - human/vehicle (4 channels). Technical specifications: video inputs: 16x IP channels; video outputs: 1x VGA, 1x HDMI (4K UHD); max. recording resolution: 4608x3472 (16Mpx); max bitrate: 180Mbps / 256Mbps (input), 180Mbps / 256Mbps (recording), 180Mbps / 256Mbps (output); compression format: H.265+/ H.265/ H.264+/ H.264/ MJPEG; audio input/output: 1/1 (RCA); alarm inputs/outputs: 4/2; network interface: 1x Ethernet RJ45 10/100/1000Mbps; drive support: 2x HDD SATA (max. 32TB); built-in AI functions: perimeter protection (2 channels) or face detection / face recognition (1 channel), object classification - human/vehicle (4 channels); SMD+ - object classification with false alarm filtering; image library management (10 databases, up to 20,000 photos); intelligent search according to specific parameters (AI search); support: ONVIF, CGI, SDK, P2P; support for cameras with the following functions: perimeter protection, face detection, face recognition, SMD+, ANPR, people counting, stereo analysis, heat map, Quick Pick; synchronous playback of up to 16 video channels; window division in local mode: 1/4/8/9/16; sound recording from: 16 IP cameras; image preview: Smart PSS, DSS Express, DSS PRO; web browsers: IE, Chrome, Firefox; mobile devices with systems: iOS, Android; dimensions: 375x284.3x53mm (width/length/height) - 1U housing; .