SystemMain ProcessorEmbedded processorOperating SystemEmbedded LinuxPerimeter ProtectionPerimeter Performance AI by Recorder (Number of Channels)2 channelsFace DetectionFace Attributes6 attributes: Gender, age groups (6), glasses, expressions (8), face mask, beard, with up to four detection panels displayed at the same time.Face Detection Performance of AI by Recorder (Number of Channels)2 channels, and a single channel can detect up to 12 faces.Face RecognitionFace Database CapacityUp to 10 face databases and 20,000 pictures.Face Recognition Performance of AI by Recorder (Number of Channels)2 channelsSMD PlusSMD Plus by RecorderFull-channel SMD Plus (AI by recorder), secondary filtering for human and motor vehicle SMD Plus, reducing false alarms caused by leaves, rain and lighting condition changeAudio and VideoAnalog Camera Input8 channels, BNC: adaptive access by default; HDCVI, AHD, TVI and CVBS access can be configured.Camera Input1. CVI: 4K, 6MP, 5MP, 4MP, 1080p@25/30 fps, 720p@50/60 fps, 720p@25/30 fps.2. TVI: 4K, 5MP, 4MP, 3MP, 1080p@25/30, 720p@25/30 fps.3. AHD: 4K, 5MP, 4MP, 3MP, 1080p@25/30, 720p@25/30 fps.IP Camera Input8+8 channels, each channel up to 8MP*After IP channels are added beyond the existing channels, the AI Function (IVS, SMD, FACE) will be disabled.Encoding CapacityAll channel 4K (1 fps–7 fps); 6MP (1 fps–10 fps); 5MP (1 fps–12 fps); 4K-N, 4MP/3MP(1 fps–15 fps); 4M-N/1080p/720p/960H/D1/CIF (1 fps–25/30 fps);Dual-streamSupported (960H (1 fps–15 fps); D1/CIF(1 fps–25/30 fps)).Video Frame RatePAL: 1 fps–25 fps.NTSC: 1 fps–30 fps.Video Bit Rate32 Kbps–6144 Kbps Per ChannelAudio Sampling8 KHz, 16 bit Per ChannelAudio Bit Rate64 Kbps Per ChannelBit Rate TypeVideo stream and composite stream.Video Output1 HDMI ,1 VGAHDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720VGA: 1920 × 1080, 1280 × 1024, 1280 × 720*Simultaneous/heterogeneous video sources output for VGA and HDMI is configurable.Multi-screen DisplayWhen IP extension mode not enabled: 1/4/8/9When IP extension mode enabled: 1/4/8/9/16Third-party Camera AccessOnvif, RTSP, Panasonic, Sony, Axis, Arecont, Pelco, Canon, SamsungCompression StandardVideo CompressionAI Coding/H.265+/H.265/H.264+/H.264Audio CompressionG.711A/G.711u/PCMNetworkNetwork ProtocolHTTP, HTTPS, TCP/IP, IPv4, RTSP, UDP, SMTP, NTP, DHCP, DNS, DDNS, P2PMobile Phone AccessiPhone, iPad, AndroidInteroperabilityONVIF 16.12, CGI ConformantBrowserChrome, IE9 or above, FirefoxNetwork ModeSingle-address modeRecording PlaybackRecord ModeManual, Schedule (General, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, StopRecording Playback1/4/09Backup MethodUSB Device/NetworkPlayback ModeInstant playback, general playback, event playback, tag playback, smart playback (face and motion detection)AlarmGeneral AlarmMotion detection, Video Loss, tampering, and local alarmAnomaly AlarmNo disk, disk error, low space, offline, ip conflict, MAC conflictIntelligent AlarmFace detection, face recognition, perimeter protectionAlarm LinkageRecord, snapshot (panoramic), IPC external alarm output, access controller, voice prompt, buzzer, log, preset, emailPortsAudio Input1, RCA (external)8, BNC (coaxial)Audio Output1, RCATwo-way TalkYes (share the same audio input with the first channel)HDD Interface1 SATA Port, up to 16TB for a single HDD, the maximum HDD capacity varies with environment temperatureRS-4851 Port, for PTZ Control