Dahua Europe IP network camera 8MP HDW2841T-S 2.8mm
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| Camera | |||||
| Image Sensor | 1/2.7" CMOS | ||||
| Max. Resolution | 3840 (H) × 2160 (V) | ||||
| ROM | 128 MB | ||||
| RAM | 256 MB | ||||
| Scanning System | Progressive | ||||
| Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s | ||||
| Min. Illumination | 0.009 lux@F2.0 (Color, 30 IRE) | ||||
| S/N Ratio | >56 dB | ||||
| Illumination Distance | 30 m (98.43 ft) (IR) | ||||
| Illuminator On/Off Control | Auto;Manual | ||||
| Illuminator Number | 1 (IR LED) | ||||
| Pan/Tilt/Rotation Range | Pan: 0°–360° | ||||
| Lens | |||||
| Lens Type | Fixed-focal | ||||
| Lens Mount | M12 | ||||
| Focal Length | 2.8 mm | ||||
| Max. Aperture | F2.0 | ||||
| Field of View | 2.8 mm: H: 106°; V: 56°; D: 125° | ||||
| Iris Control | Fixed | ||||
| Close Focus Distance | 2.8 mm: 1.3 m (4.27 ft) | ||||
| DORI Distance | Lens | Detect | Observe | Recognize | Identify |
| 2.8 mm | 88.0 m (288.71 ft) | 35.2 m (115.49 ft) | 17.6 m (57.74 ft) | 8.8 m (28.87 ft) | |
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| DORI (Detect, Observe, Recognize, Identify) is a standard system (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 this table do not reflect intelligent function distances. For intelligent function distances, refer to installation and commissioning manual/project design tool. | |||||
| Intelligence | |||||
| IVS (Perimeter Protection) | Intrusion, tripwire (the two functions support the classification and accurate detection of vehicle and human) | ||||
| 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) | ||||
| Smart Codec | Smart H.265+; Smart H.264+ | ||||
| Video Frame Rate | Main stream: 3840 × 2160@(1–20 fps)/2688 × 1520@(1–25/30 fps) | ||||
| Stream Capability | 2 streams | ||||
| Resolution | 3840 × 2160 (3840 × 2160); 3072 × 2048 (3072 × 2048); 3072 ×1728 (3072 × 1728); 2880 × 1620 (2880 × 1620); 2688 × 1520 (2688 × 1520); 3M (2048 × 1536); 2304 × 1296 (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240) | ||||
| Bit Rate Control | CBR/VBR | ||||
| Video Bit Rate | H.264: 32 kbps–8192 kbps | ||||
| Day/Night | Auto(ICR)/Color/B/W | ||||
| BLC | Yes | ||||
| HLC | Yes | ||||
| WDR | 120 dB | ||||
| White Balance | Auto; natural; street lamp; outdoor; manual; regional custom | ||||
| Gain Control | Auto; Manual | ||||
| Noise Reduction | 3D NR | ||||
| Motion Detection | OFF/ON (4 areas, rectangular) | ||||
| Region of Interest (RoI) | Yes (4 areas) | ||||
| Smart Illumination | Yes | ||||
| Image Rotation | 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 resolution and lower) | ||||
| Mirror | Yes | ||||
| Privacy Masking | 4 areas | ||||
| Audio | |||||
| Built-in MIC | Yes | ||||
| Audio Compression | G.711a; G.711Mu; PCM; G.726 | ||||
| Alarm | |||||