| Loại sản phẩm: |
Hệ thống camera giám sát |
| Hãng: |
Dahua |
| Loại camera kết nối: |
IP Camera |
| Độ phân giải ghi hình: |
4.0 megapixel |
| Image Sensor |
1/1.8" CMOS |
| Max. Resolution |
2560 (H) × 1440 (V) |
| Pixels |
4 MP |
| ROM |
4 GB |
| RAM |
1 GB |
| Electronic Shutter Speed |
1 s–1/30,000 s
|
| Scanning System |
Progressive |
| Min. Illumination |
Color: 0.001 lux@F1.6
B/W: 0.0001 lux@F1.6
0 lux (IR light on) |
| Illumination Distance |
500 m (1,640.41 ft) (IR) |
| Illuminator On/Off Control |
Zoom Prio; Manual; Smart IR; Off |
| Illuminator Number |
10 (IR) |
| Wiper |
Yes |
| Focal Length |
5.6 mm-223 mm |
| Max. Aperture |
F1.6–F4.9 |
| Field of View |
H: 63.9°–2.1°; V: 37.3°–1.2°; D: 71.2°–2.4°
|
| Optical Zoom |
40x |
| Focus Control |
Auto; semi-auto; manual |
| Close Focus Distance |
1 m–5 m (3.28 ft–16.40 ft) |
| Iris Control |
Auto; manual |
| Video Bit Rate: |
Detect: 3,034.5 m (9,955.71 ft) |
| Observe: 1,198.6 m (3,932.41 ft) |
| Recognize: 606.9 m (1,991.14 ft) |
| Identify: 303.4 m (995.41 ft) |
| Pan/Tilt Range |
Pan: 0° to 360° endless
Tilt: –20° to +90°
|
| Manual Control Speed |
Pan: 0.1°/s–240°/s
Tilt: 0.1°/s–100°/s |
| Preset Speed |
Pan: 0°/s–240°/s
Tilt: 0°/s–100°/s
|
| Preset |
300 |
| Tour |
8 (up to 32 presets per tour) |
| Pattern |
5 |
| Scan |
5 |
| Power-off Memory |
Yes |
| Idle Motion |
Preset, Tour, Scan, Track |
| PTZ Protocol |
DH-SD
Pelco-P/D (Auto recognition) |
| Video Metadata |
Motor vehicle, non-motor vehicle, face, and human body detection; bounding box; optimization; capturing pictures; uploading high-quality face snapshots
Motor vehicle attributes: License plate, plate color, vehicle type, vehicle color, vehicle logo, vehicle model/year, sun visor, seatbelt, smoking, calling, ornament, and annual inspection sticker |
| IVS (Perimeter Protection) |
Tripwire and intrusion. Support alarm triggering by target types (human and vehicle). Support filtering false alarms caused by animals, rustling leaves, bright lights, etc. |
| Face Detection |
Supports face detection, face bounding box, optimization, capturing snapshots, uploading high-quality face snapshots, and enhancing face images. Attribute extraction is also supported, where 6 attributes and 8 expressions can be detected. Face cutout is also offered, where you can cutout one face at a time and customize the size to be a one-inch photo. The supported methods for capturing snapshots are real-time capturing, quality first, and selecting a preferred image among a group of snapshots |
| Auto Tracking |
Yes |
| SMD |
Yes |
| Video Compression |
Smart H.265+;H.265;Smart H.264+;H.264;H.264B;
H.264H;MJPEG(Sub Stream)
|
| Streaming Capability |
3 streams |
| Resolution |
4M (2560 × 1440); 1080p (1920 × 1080); 960p (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240) |
| Video Frame Rate |
Main stream: 4M/1080p/960p/720p (1–50/60 fps)
Sub stream 1: D1/VGA/CIF (1–25/30 fps)
Sub stream 2: 1080p/960p/720p (1–25/30 fps) |
| Bit Rate Control |
CBR; VBR |
| Video Bit Rate |
H264: 96 Kbps–14,848 Kbps
H265: 38 Kbps–8,960 Kbps |
| Day/Night |
Auto; Color; B/W; Electronic
|
| BLC |
Yes |
| WDR |
140 dB |
| HLC |
Yes
|
| White Balance |
Auto; indoor; outdoor; tracking; manual; sodium lamp; natural light; street lamp |
| Gain Control |
Auto; Manual |
| Noise Reduction |
2D NR; 3D NR |
| Motion Detection |
Yes |
| Region of Interest (RoI) |
Yes |
| Image Stabilization |
Optical |
| Defog |
Optical |
| Digital Zoom |
16 × |
| Image Rotation |
180°
|
| Privacy Masking |
Up to 24 areas can be set, with up to 8 areas in the same view |
| S/N Ratio |
≥55 dB |
| Compression |
PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; G723 |
| Network Port |
RJ-45 (10/100 Base-T) |
| Interoperability |
ONVIF(Profile S&G&T);CGI;SDK |
| Streaming Method |
Unicast/Multicast |
| User/Host |
20 (total bandwidth: 64 M) |
| Storage |
FTP; Micro SD card (512 GB) |
| Browser |
IE 9 and later versions
Chrome 42 and later versions
Firefox 50 and later versions
Safari 10 and later versions |
| Management Software |
Smart PSS; DSS; IVSS |
| Mobile Client |
iOS; Android |
| RS-485 |
1 (baud rate: 1,200 bps–115,200 bps) |
| Audio Input |
1 channel (LINE IN, bare wire) |
| Audio Output |
1 channel (LINE OUT, bare wire) |
| Two-way Audio |
Yes |
| Alarm Linkage |
Capture; preset; tour; pattern; recordings; alarm digital input; send email |
| Alarm Event |
Motion/tampering detection; audio detection; network disconnection detection; IP conflict detection; memory card status detection; memory space detection; power exception detection |
| Alarm I/O |
7/2 |
| Audio I/O |
1/1 |
| Power Supply |
36 VDC/2.23 A ± 25%; Hi-PoE |
| Power Consumption |
Basic: 17 W
Max.: 30 W (illuminator + heater + PTZ) |
| Operating Temperature |
–40 °C to +70 °C (–40 °F to +158 °F) |
| Operating Humidity |
≤95% |
| Protection |
IP67; IK10; TVS 8000 V lightning proof; surge protection; voltage transient protection |
| Product Dimensions |
415.9 mm × Φ262.0 mm (16.37" × Φ10.31") |
| Net Weight |
8.5 kg (18.74 lb) |
| Gross Weight |
13.1 kg (28.88 lb) |
Đánh giá Camera IP PTZ 4MP Dahua DH-SD8A3440GA-HNV
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