| [Camera] Image Sensor | 1/1.8" CMOS |
|---|---|
| [Camera] Max. Resolution | 3840 (H) × 2160 (V) |
| [Camera] ROM | 4GB |
| [Camera] RAM | 4GB |
| [Camera] Scanning System | Progressive |
| [Camera] Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s |
| [Camera] Min. Illumination | 0.003 Lux@F1.2(Color,30IRE) 0.0003 Lux@F1.2(B/W,30IRE) 0 lux (Illuminator on) |
| [Camera] S/N Ratio | >56 dB |
| [Camera] Illumination Distance | 40m (IR LED) |
| [Camera] Illuminator On/Off Control | Auto |
| [Camera] Illuminator Number | 3 (IR LED) |
| [Camera] Pan/Tilt/Rotation Range | Pan: 0°–355° Tilt: 0°–80° Rotation: 0°–355°" |
| [Lens] Lens Type | Motorized vari-focal |
| [Lens] Lens Mount | φ16 |
| [Lens] Focal Length | 2.7 mm–12 mm |
| [Lens] Max. Aperture | F1.2 |
| [Lens] Field of View | Horizontal: 112°(W)–48°(T) Vertical: 58°(W)–27°(T) Diagonal: 137°(W)–55°(T) |
| [Lens] Close Focus Distance | 1.8 m (5.9 ft) |
| [Lens] DORI Distance | Lens Detect Observe Recognize Identify |
| [Lens] W | 87.6 m (287.40 ft) 35 m (114.83 ft) 17.5 m (57.41 ft) 8.8 m (28.87 ft) |
| [Lens] T | 186.6 m (612.20 ft) 74.6 m (244.75 ft) 37.3 m (122.38 ft) 18.7 m (61.35 ft) |
| [Intelligence] Classroom Behavior Analysis | Supports student mode and teacher mode. Student mode: Head up detection, standing detection, heads up people counting, and close-up of standing students. Teacher mode: 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 detection, and performs face comparison of teachers. |
| [Intelligence] Exam Behavior Analysis | Suport looking around and passing object detection |
| [Intelligence] Face Recognition | Face recognition, track, priority, snapshot, face enhancement, face exposure Face attribute extract, 6 attributes and 8 expressions: Gender, age, glasses, expressions (anger, sadness, disgust, fear, surprise, calm, happiness and confusion), mask, beard Face matting setting: face, single inch photo Two snapshot strategies: priority snapshot, recognition Face angle filter Priority time setting Management of 5 group face libraries Single person register and person register in batch Face recognition and similarity setting Max supports face contrast in face library with 100,000 faces Support Duration Optimal |
| [Intelligence] Smart Search | Work together with Smart NVR to perform refine intelligent search, event extraction and merging to event videos |
| [Video] Video Compression | H.265; H.264; H.264H; H.264B; MJPEG (Only supported by the sub stream) |
| [Video] Smart Codec | Smart H.265+; Smart H.264+ |
| [Video] Video Frame Rate | Main stream: 3840 × 2160@(1–25/30 fps ) sub stream 1: 1920 × 1080@(1–25/30 fps ) sub stream 2: 1920 × 1080@(1–25/30 fps ) sub stream 3: 1920 × 1080@(1–25/30 fps ) sub stream 4: 704 × 576 @(1–25/30 fps ) |
| [Video] Stream Capability | 5 streams |
| [Video] Resolution | 8M (3840 × 2160); 4M (2688 × 1520); 3M (2048 × 1536); 1080p (1920 × 1080); 720p (1280 × 720); D1 (704 × 576/704 × 480); CIF (352 × 288/352 × 240) |
| [Video] Bit Rate Control | CBR/VBR |
| [Video] Video Bit Rate | H.264: 32 kbps–10240 kbps; H.265: 12 kbps–10240 kbps |
| [Video] Day/Night | Auto(ICR)/Color/B/W |
| [Video] BLC | Yes |
| [Video] HLC | Yes |
| [Video] WDR | 120 dB |
| [Video] Scene Self-adaptation (SSA) | Yes |
| [Video] White Balance | Auto; natural; street lamp; outdoor; manual; regional custom |
| [Video] Gain Control | Auto |
| [Video] Noise Reduction | 3D NR |
| [Video] Motion Detection | OFF/ON(4 areas,rectangular) |
| [Video] Region of Interest (RoI) | Yes (4 areas) |
| [Video] Defog | Yes |
| [Video] Image Rotation | 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 resolution and lower) |
| [Video] Mirror | Yes |
| [Video] Privacy Masking | 4 areas |
| [Audio] Built-in MIC | Yes |
| [Audio] Built-in Speaker | Yes |
| [Audio] Audio Compression | G.711a;G.711Mu;G.726;G.723;PCM |
| [Alarm] Alarm Event | No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; scene changing; audio exception; voltage detection; defocus detection; external alarm; face recognition; abnormal number of people detection; stand detection; walking detection; back detection; blackboard writing detection; head up detection; Exam Behavior detection |
| [Network] Network Port | RJ-45 (10/100/1000 Base-T) |
| [Network] SDK and API | Yes |
| [Network] Cyber Security | Video encryption; firmware encryption; configuration encryption; Digest; WSSE; account lockout; security logs; IP/MAC filtering; generation and importing of X.509 certification; syslog; HTTPS; 802.1x; trusted boot; trusted execution; trusted upgrade |
| [Network] Network Protocol | IPv4; IPv6; HTTP;TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA; PPPoE; SNMP |
| [Network] Interoperability | ONVIF (Profile S/Profile G//Profile T); CGI; Milestone; |
| [Network] User/Host | 20 |
| [Network] Storage | FTP; SFTP; Micro SD card (support max. 256 GB); NAS |
| [Network] Browser | IE: IE 9 and later Chrome: 42 and later Firefox: 48.0.2 and later |
| [Network] Management Software | DH-RBS8204AM-I |
| [Network] Mobile Client | iOS; Android |
| [Certification] Certifications | CE-LVD:EN62368-1; CE-EMC:Electromagnetic Compatibility Directive 2014/30/EU; FCC:47 CFR FCC Part 15, Subpart B; FCC ID:FCC PART 15C |
| [Port] RS-485 | 1 (baud rate range:1200 bps–115200 bps) |
| [Port] Audio Input | 1 channel (RCA port) |
| [Port] Audio Output | 1 channel (RCA port) |
| [Port] Alarm Input | 3 channels in: 5mA 3V–5V DC |
| [Port] Alarm Output | 2 channels out: 1,000mA 30V DC/500mA 50V AC |
| [Power] Power Supply | 12 VDC/24 VAC/PoE |
| [Power] Power Consumption | Basic: 8.86 W (12 VDC); 8.5 W (24 VAC); 8.64 w(PoE) Max. (IR on + ICR + Intelligence): 17.9 W (12 VDC); 15.9 W (24 VAC); 15.8 W (PoE) |
| [Environment] Operating Temperature | –30 °C to +60 °C (–22 °F to +140 °F) |
| [Environment] Operating Humidity | ≤95% |
| [Environment] Storage Temperature | –40 °C to +60 °C (–40°F to +140°F) |
| [Environment] Protection | IP67; IK10 |
| [Structure] Casing | Metal + plastic |
| [Structure] Product Dimensions | 129.1 mm × Φ157.9 mm (5.08"× Φ6.22") |
| [Structure] Net Weight | 1.5 kg (3.31 lb) |
| [Structure] Gross Weight | 1.6 kg (3.53 lb) |
お取扱製品
Dahua：8MP WizMind Classroom Network Camera
IPC-HDBW8841H-Z-LB
