| Camera | White Balance Auto; natural; street lamp; outdoor; manual; regional custom |
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| 影像感測器 | 1/3" CMOS |
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| Gain Control | Auto; manual |
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| 最大解像度 | 2688 (H) × 1520 (V) |
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| Noise Reduction | 3D NR |
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| ROM | 128 MB |
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| Motion Detection | OFF/ON (4 areas, rectangular) |
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| RAM | 128 MB |
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| 感興趣區域 ROI | Yes (4 areas) |
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| Scanning System | Progressive 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 Image Rotation resolution and lower) |
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| Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s |
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| Mirror | Yes 0.01 lux@F2.0 (Color, 30 IRE) Min. Illumination 0.001 lux@F2.0 (B/W, 30 IRE) |
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| Privacy Masking | 4 areas |
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| S/N Ratio | >56 dB |
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| 鏡頭 | Built-in MIC Yes |
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| 鏡頭類型 | Fixed-focal |
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| 音訊壓縮 | G.711a; G.711Mu; PCM; G.726 |
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| 鏡頭接口 | M12 Alarm |
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| 焦距 | 2.8 mm Network disconnection; IP conflict; illegal access; motion |
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| Max. Aperture | F2.0 Alarm Event detection; video tampering; tripwire; intrusion; audio detection; voltage detection; security exception |
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| Field of View | Horizontal: 96°; Vertical: 55°; Diagonal: 110° |
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| Iris Control | Fixed |
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| Network Port | RJ-45 (10/100 Base-T) |
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| Close Focus Distance | 0.8 m (2.62 ft) |
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| SDK and API | Yes |
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| DORI 偵測距離 | Video encryption; Firmware encryption; Configuration |
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| Distance | 61.0 m 24.4 m 12.2 m 6.1 m encryption; Digest; WSSE; Account lockout; Security logs; 2.8 mm Cyber Security IP/MAC filtering; Generation and importing of X.509 (200.13 ft) (80.05 ft) (40.03 ft) (20.01 ft) certification; syslog; HTTPS; 802.1x; Trusted boot; Trusted |
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| 智能事件 | execution; Trusted upgrade |
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| IVS | Intrusion; tripwire IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; |
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| 網絡協議 | SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; Bonjour H.265; H.264; H.264B; MJPEG (Only supported by the Interoperability ONVIF (Profile S/Profile T); CGI; P2P; Milestone Video Compression sub stream) |
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| 用戶管理 | 20 (Total bandwidth: 48 M) |
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| Smart Codec | Smart H.265+; Smart H.264+ |
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| Storage | FTP; SFTP; NAS Main stream: 2688 × 1520 @(1–20 fps )/2560 × 1440 @ (1–25/30 fps ) IE sub stream: 704 × 576 @ (1–25 fps)/704 × 480 @(1–30 Browser Chrome |
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| Video Frame Rate | fps) Firefox *The values above are the max. frame rates of each stream; for multiple streams, the values will be subjected Management Software Smart PSS; DSS; DMSS to the total encoding capacity. |
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| Mobile Client | iOS; Android |
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| Stream Capability | 2 streams 4M (2688 × 1520); 3.6 M (2560 × 1440); 3M (2304 ×1296); 1080p (1920 × 1080); 1.3M (1920 × 960); 720p CE-LVD:EN62368-1; Resolution (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × CE-EMC:Electromagnetic Compatibility Directive Certifications 480); CIF(352 ×288/352 × 240) 2014/30/EU; FCC:47 CFR FCC Part 15, Subpart B |
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| 碼率控制 | CBR/VBR Port H.264: 3 kbps–6144 kbps Video Bit Rate |
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| H.265: 3 kbps–6144 kbps | Audio Input 1 channel (RCA port) |
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| Day/Night | Color/B/W |
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| 音訊輸出 | 1 channel (RCA port) |
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| BLC | Yes |
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| HLC | Yes www.dahuasecurity.com |
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| 供電 | Dimensions (mm[inch]) |
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| 工作溫度 | –40 °C to +60 °C (–40 °F to +140 °F) |
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| 工作濕度 | ≤95% |
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| 儲存溫度 | –40 °C to +60 °C (–40 °F to +140 °F) Structure |
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| Casing | Metal 31.0 mm × 31.0 mm × 30.0 mm (1.22" × 1.22" × 1.18") Product Dimensions (L × W × H) |
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| 淨重 | 81 g (0.18 lb) |
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| 毛重 | 138 g (0.30 lb) Ordering Information |
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| 類型 | Model Description 4MP Fixed-focal Pinhole Network 4MP Camera DH-IPC-HUM4431S-L4 |
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| Accessories | PFM321D DC12V1A Power Adapter Accessories Optional: DC12V1A Power Adapter |
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| Rev 002.000 | © 2022 Dahua. All rights reserved. Design and specifications are subject to change without notice. The images, specifications and information mentioned in the document are only for reference, and might differ from the actual product. www.dahuasecurity.com |
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