DAHUA 4CH XVR TWO WAY TALK

DH-XVR1B04-I/T4CH Penta-brid 1080N/720P Cooper 1U 1HDD WizSense Digital Video Recorder> *Dolynk cloud compatible version: DMSS V2.0.1 and above, Dolynk Care V2.5.1 and above.> 4-channel two-way talk over coaxial cable allows for seamless communication between the camera, client and recorder.> 4-channel SMD Plus for analog channels which allows the device to trigger accurate alarms for humans and vehicles.> 4-channel AI Coding saves on storage and bandwidth while maintaining the details of targets in videos.> Supports HDCVI, AHD, TVI, CVBS and IP video input.> Supports up to 5-channel IP camera input and each channel can be up to 2 MP. The incoming bandwidth reaches 20 Mbps.> Supports accessing Wi-Fi cameras, making it suitable for a wide range of scenes.> Smart H.265+ and H.265 dual-stream video compression.SystemMain ProcessorIndustrial-grade processorOperating SystemEmbedded LinuxOperating InterfaceWeb; Local GUISMDSMD Plus by Recorder4 channels: Secondary filtering for human and vehicle, reducing false alarms caused by leaves, rain and lighting condition changeSMD by Camera5 channelsAudio and VideoAnalog Camera Input4 BNC ports, supports HDCVI/AHD/TVI/CVBS auto-detectCamera Input1. CVI: 1080p@25/30 fps; 720p@50/60 fps; 720p@25/30 fps. 2. TVI: 1080p@25/30 fps; 720p@25/30 fps. 3. AHD: 1080p@25/30 fps; 720p@25/30 fps.IP Camera InputUp to 5 channels of IPC access 1 IP channel by default + 4 channels (analog channels are converted to IP channels) Incoming bandwidth: 20 Mbps, recording bandwidth: 20 Mbps and outgoing bandwidth: 20 Mbps *After IP extension is enabled, the AI Function (SMD) will be disabled.Encoding CapacityMain stream: 1080N/720p/960H/D1/CIF@(1 fps–25/30 fps) Sub stream: CIF@(1 fps–15 fps)Dual-streamYesVideo Bit Rate32 kbps–4096 kbpsAudio Sampling8 kHz, 16 bitAudio Bit Rate64 kbpsVideo Output1 HDMI, 1 VGA HDMI: 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720Multi-screen DisplayWhen IP extension mode not enabled: 1/4 When IP extension mode enabled: 1/4/6Third-party Camera AccessPanasonic; Sony; Hanwha; Axis; Arecont; ONVIFCompression StandardVideo CompressionAI Coding; Smart H.265+; H.265; Smart H.264+; H.264Audio CompressionG.711a; G.711u; PCMNetworkNetwork ProtocolHTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; FTP; DDNS; SNMP; Alarm Server; P2P; Auto Registration; IP Search (Supports IP camera, DVR, NVS, etc.)Mobile Phone AccessiOS; AndroidInteroperabilityONVIF 24.06 (Profile T; Profile S; Profile G); CGI; SDKBrowserChrome; IE; Safari; Edge; FirefoxRecording PlaybackRecord ModeGeneral; alarm; motion detectionRecording Playback1/4Backup MethodUSB device and networkPlayback ModeInstant playback; general playback; event playback; tag playback; smart playbackAlarmGeneral AlarmMotion detection; HDCVI alarm; camera external alarm; network alarm; PIR alarmAnomaly AlarmError (no disk, disk error, low space, low quota space; network disconnection; IP conflict; MAC conflict); video loss; video tampering; camera offlineIntelligent AlarmSMD PlusAlarm LinkageRecord; snapshot (panoramic); IPC external alarm output; audio; buzzer; log; preset; emailPortsAudio Input1-channel RCA 4-channel BNC (Coaxial Audio)Audio Output1-channel RCATwo-way TalkCoaxial two-way talk: 4-channel BNC Local and network user two-way talk: Shares the same audio input with the first channelDisk Interface1 SATA port, up to 6 TB. This limit varies depending on the environment temperature.USB2 (2 rear USB 2.0 ports)HDMI1VGA1Network Port1 (10/100 Mbps Ethernet port, RJ-45)