| System | Third-party Support Onvif, RTSP |
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| Main Processor | Dual-core embedded processor |
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| 操作系統 | Embedded LINUX |
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| 接口 | 1 RJ-45 port (10/100Mbps) Audio and Video |
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| PoE | N/A |
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| IP Camera Input | 4/8 Channel HTTP/HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP, |
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| Network Function | DHCP, DNS, IP Filter, DDNS, IP Search(Support Dahua |
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| Two-way Talk | 1 Channel Input, 1 Channel Output, RCA IP camera, DVR, NVS and etc.), P2P |
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| Display | Optical Fiber Interface N/A |
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| HDMI: 3840×2160, 1920×1080, 1280×1024, | Smart Phone iPhone, iPad, Android 1280×720 Resolution |
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| Interoperability | ONVIF 2.4, SDK, CGI VGA: 1920×1080, 1280×1024, 1280×720 Storage |
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| Decoding Capacity | 1ch@8MP 30fps, 4ch@1080P 30fps 2 SATA III ports, up to 10 TB for a single HDD. The 4CH: 1/4 Internal HDD maximum HDD capacity varies with environment |
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| Multi-screen Display | temperature 8CH: 1/4/8/9 |
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| HDD Mode | Single Camera title, Time, Camera lock, Motion detection, OSD Recording |
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| eSATA | N/A Recording |
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| Compression | Smart H.265+/H.265/Smart H.264+/H.264 |
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| USB | 2 ports (1 Rear USB2.0, 1 Front USB2.0) |
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| 解像度 | 8MP/6MP/5MP/4MP/3MP/1080P/720P/D1&etc. |
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| RS232 | N/A |
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| Record Rate | 80Mbps RS485 N/A |
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| Bit Rate | 16Kbps ~ 20Mbps Per Channel Electrical |
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| Manual, Schedule (Continuous, MD (Motion | Power Supply Single, DC12V/4A Record Mode Detection), Alarm, IVS) |
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| 功耗 | <3W (without HDD) 1~120 min (default: 60 min), Pre-record: 1~30 sec, Record Interval Post-record: 10~300 sec Environmental Video Detection and Alarm |
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| Operating Conditions | -10°C to +55°C (+14°F to +131°F), 86–106kpa Recording, PTZ, Tour, Video Push, Snapshot, and Trigger Events |
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| Screen Tips | Storage Conditions 0°C to +40°C (+32°F to +104°F), 30–85% RH Motion Detection, MD Zones: 396 (22 × 18), Video Detection |
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| and Tampering | Construction 1U, 375 mm × 275 mm × 53 mm (14.8" × 10.8" × |
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| 警報輸入 | N/A Dimensions(W×D×H) 2.1") |
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| Relay Output | N/A Net Weight 1.5 kg (3.31 lb) (without HDD) |
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| Playback and Backup | Gross Weight 3.0 kg (6.61 lb) (without HDD) |
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| Sync Playback | 1/4 Certifications |
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| Time /Date, MD and Exact Search | CE EN55032, EN55024, EN50130-4, EN60950-1 |
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| Search Mode | (accurate to second) |
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| FCC | Part 15 Subpart B, ANSI C63.4-2014 Play, Pause, Stop, Rewind, Fast play, Slow Play, Next |
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| Playback Function | File, Previous File, Next Camera, Previous Camera, Full Screen, Shuffle, Backup Selection, Digital Zoom UL UL60950-1 |
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| Backup Mode | USB Device/Network www.dahuasecurity.com |
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| Ordering Information | Rear Panel |
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| 類型 | Part Number Description 4 Channel 1U Lite 4K H.265 4 Channel NVR DHI-NVR2204-4KS2 Network Video Recorder 8 Channel 1U Lite 4K H.265 8 Channel NVR DHI-NVR2208-4KS2 Network Video Recorder |
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| Accessories | N/A N/A Dimensions (mm) 375.0 53.0 275.0 |
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| Rev 001.001 | © 2021 Dahua. All rights reserved. Design and specifications are subject to change without notice. Pictures in the document are for reference only, and the actual product shall prevail. www.dahuasecurity.com |
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