| Camera | Gender, age, glasses, expressions (anger, sadness, disgust, fear, surprise, calm, happiness and confusion), |
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| 影像感測器 | 1/1.8" CMOS mask, beard Face matting setting: face, single inch photo |
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| 最大解像度 | 3840 (H) × 2160 (V) Two snapshot strategies: priority snapshot, recognition Face Recognition Face angle filter |
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| ROM | 4GB Priority time setting Management of 5 group face libraries |
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| RAM | 4GB Single person register and person register in batch Face recognition and similarity setting |
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| Scanning System | Progressive Max supports face contrast in face library with 100,000 faces |
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| Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s Support Duration Optimal Work together with Smart NVR to perform refine 0.003 Lux@F1.2(Color,30IRE) Smart Search intelligent search, event extraction and merging to event |
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| 最低照度 | 0.0003 Lux@F1.2(B/W,30IRE) videos 0 lux (Illuminator on) |
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| S/N Ratio | >56 dB H.265; H.264; H.264H; H.264B; MJPEG (Only supported Video Compression by the sub stream) |
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| Illumination Distance | 40m (IR LED) |
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| Smart Codec | Smart H.265+; Smart H.264+ |
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| Illuminator On/Off Control | Auto Main stream: 3840 × 2160@(1–25/30 fps ) sub stream 1: 1920 × 1080@(1–25/30 fps ) |
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| Illuminator Number | 3 (IR LED) Video Frame Rate sub stream 2: 1920 × 1080@(1–25/30 fps ) sub stream 3: 1920 × 1080@(1–25/30 fps ) |
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| Pan: 0°–355° | sub stream 4: 704 × 576 @(1–25/30 fps ) |
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| Pan/Tilt/Rotation Range | Tilt: 0°–80° |
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| Rotation: 0°–355°" | Stream Capability 5 streams 8M (3840 × 2160); 4M (2688 × 1520); 3M (2048 × 1536); |
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| 鏡頭 | Resolution 1080p (1920 × 1080); 720p (1280 × 720); D1 (704 × 576/704 × 480); CIF (352 × 288/352 × 240) |
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| 鏡頭類型 | Motorized vari-focal |
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| 碼率控制 | CBR/VBR |
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| 鏡頭接口 | φ16 H.264: 32 kbps–10240 kbps; Video Bit Rate |
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| 焦距 | 2.7 mm–12 mm H.265: 12 kbps–10240 kbps |
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| Max. Aperture | F1.2 Day/Night Auto(ICR)/Color/B/W |
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| Horizontal: 112°(W)–48°(T) | BLC Yes |
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| Field of View | Vertical: 58°(W)–27°(T) |
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| Diagonal: 137°(W)–55°(T) | HLC Yes |
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| Close Focus Distance | 1.8 m (5.9 ft) WDR 120 dB |
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| W | Auto; natural; street lamp; outdoor; manual; regional (287.40 ft) (114.83 ft) (57.41 ft) (28.87 ft) White Balance custom 186.6 m 74.6 m 37.3 m 18.7 m |
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| T | Gain Control Auto |
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| DORI 偵測距離 | (612.20 ft) (244.75 ft) (122.38 ft) (61.35 ft) *DORI (Detect, Observe, Recognize, Identify) is a standard system Noise Reduction 3D NR (EN-62676-4) for defining the ability of a person viewing the video to distinguish persons or objects within a covered area. The numbers in Motion Detection OFF/ON(4 areas,rectangular) this table do not reflect intelligent function distances. For intelligent functi |
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| 除霧 | Yes 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 |
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| Supports student mode and teacher mode. | Image Rotation resolution and lower) Student mode: Head up detection, standing detection, heads up people Mirror Yes counting, and close-up of standing students. |
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| Classroom Behavior | Teacher mode: Privacy Masking 4 areas |
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| Analysis | Supports up to 5 face databases and 10,000 face images. It offers abnormal number of people detection (for tracking teachers), back turned to students detection, walking detection, writing on blackboard |
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| Built-in MIC | Yes detection, and performs face comparison of teachers. |
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| Built-in Speaker | Yes |
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| Exam Behavior Analysis | Suport looking around and passing object detection |
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| 音訊壓縮 | G.711a;G.711Mu;G.726;G.723;PCM www.dahuasecurity.com |
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| 警報 | Structure No SD card; SD card full; SD card error; network Casing Metal + plastic disconnection; IP conflict; illegal access; motion detection; video tampering; scene changing; audio Product Dimensions 129.1 mm × Φ157.9 mm (5.08"× Φ6.22") exception; voltage detection; defocus detection; external alarm; face recognition; abnormal number of |
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| 淨重 | 1.5 kg (3.31 lb) people detection; stand detection; walking detection; back detection; blackboard writing detection; head up detection; Exam Behavior detection |
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| 毛重 | 1.6 kg (3.53 lb) |
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| Network Port | RJ-45 (10/100/1000 Base-T) Ordering Information |
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| SDK and API | Yes Type Model Description Video encryption; firmware encryption; configuration 8MP WizMind Classroom Network DH-IPC-HDBW8841H-Z-LB encryption; Digest; WSSE; account lockout; security logs; 8MP |
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| Cyber Security | IP/MAC filtering; generation and importing of X.509 Camera 8MP WizMind Classroom Network certification; syslog; HTTPS; 802.1x; trusted boot; trusted IPC-HDBW8841H-Z-LB execution; trusted upgrade |
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| PFA773 | Sun Shade 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; SAMBA; PPPoE; SNMP PFB211W Wall Mount |
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| Interoperability | ONVIF (Profile S/Profile G//Profile T); CGI; Milestone; PFA156 Pole Mount |
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| 用戶管理 | 20 PFA101 Mount Adapter Accessories |
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| Storage | FTP; SFTP; Micro SD card (support max. 256 GB); NAS PFB300C Ceiling Mount (Optional) |
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| IE: IE 9 and later | PFA138 Junction Box |
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| Browser | Chrome: 42 and later |
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| Firefox: 48.0.2 and later | PFM320D 12 VDC 2 A Power Adapter |
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| Management Software | DH-RBS8204AM-I PFM900-E Integrated Mount Tester |
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| Mobile Client | iOS; Android TF-P100 MicroSD Memory Card CE-LVD:EN62368-1; CE-EMC:Electromagnetic Compatibility Directive Accessories |
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| Certifications | 2014/30/EU; |
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| FCC:47 CFR FCC Part 15, Subpart B; | Optional: FCC ID:FCC PART 15C |
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| RS-485 | 1 (baud rate range:1200 bps–115200 bps) |
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| 音訊輸入 | 1 channel (RCA port) Sun Shade Wall Mount Pole Mount |
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| 音訊輸出 | 1 channel (RCA port) |
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| 警報輸入 | 3 channels in: 5mA 3V–5V DC |
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| 警報輸出 | 2 channels out: 1,000mA 30V DC/500mA 50V AC |
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| 供電 | PFA101 PFB300C PFA138 |
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| Mount Adapter | Ceiling Mount Junction Box |
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| 功耗 | Max. (IR on + ICR + Intelligence): 17.9 W (12 VDC); 15.9 W (24 VAC); 15.8 W (PoE) |
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| 工作溫度 | –30 °C to +60 °C (–22 °F to +140 °F) PFM320D PFM900-E TF-P100 12 VDC 2 A Power Integrated MicroSD |
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| 工作濕度 | ≤95% Adapter Mount Tester Memory Card |
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| 儲存溫度 | –40 °C to +60 °C (–40°F to +140°F) |
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| 防護等級 | IP67; IK10 www.dahuasecurity.com Dimensions (mm[inch]) |
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| Rev 002.000 | © 2024 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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