Dahua OEM 16+8 Channel Tribrid 4K Display 4MP Recording Pro Mini 1U HCVR Surveillance Recorder. This DVR can support up to 16 channels of HDCVI/CVBS inputs, and 8 channels IP camera additionally, 16 channels local live view channels, and 16 playback channels. It has HDMI/VGA output as well as spot monitor out, 1 SATA HDD up to 8TB(separate), 1 USB2.0, 1 USB 3.0, No Logo, 2 year warrantyFunctions Smart H.264+ Smart Codec, H.264+ can reduce up to 70% bit rate and storage requirements without having to invest in new cameras. HDCVI/CVBS Auto-detect The HCVR can auto recognize the signal of front-camera without any setting. It makes operation more friendly and convenient. 8MP Resolution The HCVR supports up to 8MP HD resolution (3840 x 2160) HDCVI camera and IP camera input. Spot Output It is made for a secondary monitor. This allows the operator to view one special monitor that assigned to selected cameras or video inputs from higher security areas. Intelligent Video System (IVS) With built-in intelligent video analytics, the HCVR has the ability to detect and analyze moving objects for improved video surveillance. The HCVR provides optional standard intelligence at the edge allowing detection of multiple object behaviors such as abandoned or missing objects. IVS also supports Tripwire analytics, allowing the camera to detect when a pre-determined line has been crossed. Face Detection It is a type technology being used in a variety of applications that search or identify individuals which show front cameras. Smart Search This function helps you get more motion detect video during a short time through drawing a region when playback. It is very useful when an emergency occurs.