Đầu ghi hình camera IP 8 kênh DAHUA DHI-NVR4208-4KS3
- Hỗ trợ 8 kênh camera IP với độ phân giải lên đến 12MP.
- Chuẩn nén hình ảnh: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG.
- Băng thông đầu vào: Max. 160Mbps.
- Tương thích với tín hiệu ngõ ra: 1 HDMI, 1 VGA.
- Hỗ trợ các tính năng AI của camera (camera cần có các tính năng này): Bảo vệ vành đai, phát hiện khuôn mặt, nhận diện khuôn mặt, SMD Plus, đếm số lượng người, phân tích hành vi, heat map.
- Hỗ trợ 2 ổ cứng SATA với dung lượng 20TB cho mỗi ổ.
- Hỗ trợ 1 cổng vào và 1 cổng ra audio.
- Hỗ trợ 4 cổng vào và 2 cổng ra báo động.
- Nguồn cấp: 12 VDC, 4A.
Đặc tính kỹ thuật
| System | |
| Main Processor | Industrial-grade processor |
| Operating System | Embedded Linux |
| Operating Interface | Web, Local GUI |
| AI | |
| AI by Recorder | SMD Plus |
| AI by Camera | Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map |
| Perimeter Protection | 6 channels |
| Face Detection | |
| Face Attributes | Gender; age group; glasses; expressions; face mask; beard |
| Face Detection Performance of AI by Camera (Number of Channels) | 6 channels |
| Face Recognition | |
| Face Recognition Performance of AI by Camera (Number of Channels) | 6 channels |
| SMD Plus | |
| SMD Plus by Recorder | 4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change |
| SMD Plus by Camera | 6 channels |
| Audio and Video | |
| Access Channel | 8 channels |
| Network Bandwidth | AI disabled: 160 Mbps incoming, 160 Mbps recording and 80 Mbps outgoing AI enabled: 80 Mbps incoming, 80 Mbps recording and 60 Mbps outgoing |
| Resolution | 12 MP; 8 MP; 6 MP; 5 MP; 4 MP; 3 MP; 1080p; 960p; 720p; D1; CIF; QCIF |
| Decoding Capability | AI disabled: 1-channel 12 MP@30 fps; 2-channel 8 MP@30 fps; 3-channel 5 MP@30 fps; 4-channel 4 MP@30 fps; 8-channel 1080p@30 fps AI enabled: 1-channel 12 MP@30 fps; 1-channel 8 MP@30 fps; 2-channel 5 MP@30 fps; 3-channel 4 MP@30 fps; 7-channel 1080p@30 fps |
| Video Output | 1 HDMI, 1 VGA Simultaneous: - HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 - VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 Heterogeneous: - HDMI: 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 |
| Multi-screen Display | Main Screen: 1/4/8/9 Sub Screen: 1/4/8/9 |
| Third-party Camera Access | ONVIF; Panasonic; Sony; Axis; Arecont; Pelco; Canon; Hanwha |
| Compression Standard | |
| Video Compression | Smart H.265+; H.265; Smart H.264+; H.264 |
| Audio Compression | G.711a; G.711u; PCM; G726 |
| Network | |
| Network Protocol | HTTP; HTTPS; TCP/IP; IPv4; IPv6; 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 Access | iOS; Android |
| Interoperability | ONVIF 22.12(Profile T; Profile S; Profile G); CGI; SDK |
| Browser | Chrome; IE; Safari; Edge; Firefox |
| Recording Playback | |
| Multi-channel Playback | Up to 8 channels |
| Record Mode | General, motion detection; intelligent; alarm |
| Backup Method | USB device and network |
| Playback Mode | Instant playback, general playback, event playback, tag playback, smart playback |
| Storage | |
| Disk Group | Yes |
| Alarm | |
| General Alarm | Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm |
| Anomaly Alarm | Camera disconnection; storage error; disk full; IP conflict; MAC conflict; login locked; and cybersecurity exception |
| Intelligent Alarm | Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map |
| Alarm Linkage | Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email |
| Port | |
| Audio Input | 1-channel RCA |
| Audio Output | 1-channel RCA |
| Alarm Input | 4 channels |
| Alarm Output | 2 channels (1-channel 12 V 1 A output） |
| Disk Interface | 2 SATA ports. Each disk can contain up to 20 TB. This limit varies depending on the environment temperature. |
| USB | 2 (1 front USB 2.0 port, 1 rear USB 2.0 port) |
| HDMI | 1 |
| VGA | 1 |
| Network Port | 1 (10/100/1000 Mbps Ethernet port, RJ-45) |
| General | |
| Power Supply | 12 VDC, 4 A |
| Power Consumption | Total output of NVR is |
| Net Weight | 1.49 kg |
| Product Dimensions | 375.0 mm × 282.9 mm × 53.0 mm (W × D × H) |
| Operating Temperature | –10 °C to +55 °C (14 °F to +131 °F) |
| Storage Temperature | –20 °C to +60 °C (–4 °F to +140 °F) |
| Operating Humidity | 10%–93% (RH), non-condensing |
| Installation | Rack or desktop |
| Certifications | CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014 CE-LVD: EN 62368-1:2014 |
- Bảo hành: 24 tháng.
