| 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 |
8 GB |
| RAM |
2 GB |
| Electronic Shutter Speed |
1/1–1/30000 s |
| Scanning System |
Progressive |
| Min. Illumination |
Color: 0.001 lux@F1.4
B/W: 0.0001 lux@F1.4
0 lux (IR light on) |
| Illumination Distance |
1,000 m (3,280.84 ft) |
| Illuminator On/Off Control |
Zoom Prio; Manual; Off |
| Illuminator Number |
1 (laser) |
| Wiper |
Yes |
| Focal Length |
6.25 mm–300 mm |
| Max. Aperture |
F1.4–F4.5 |
| Field of View |
H: 62.4°–1.7°; V: 36.6°–1.0°; D: 69.8°–2.0° |
| Optical Zoom |
48 × |
| Focus Control |
Auto; semi-auto; manual |
| Close Focus Distance |
0.5 m–2 m (1.64 ft–6.56 ft) |
| Iris Control |
Auto; manual |
| DORI Distance |
Detect: 6,000 m (19,685.04 ft) |
| Observe: 2,381 m (7,811.68 ft) |
| Recognize: 1,200 m (3,937.01 ft) |
| Identify: 600 m (1,968.50 ft) |
| Pan/Tilt Range |
Pan: 0° to 360° endless
Tilt: –45° to +90°
|
| Manual Control Speed |
Pan: 0.1°/s–160°/s
Tilt: 0.1°/s–60°/s
|
| Preset Speed |
Pan: 160°/s; Tilt: 60°/s |
| Preset |
300 |
| Tour |
8 (up to 32 presets per tour) |
| Pattern |
5 |
| Scan |
5 |
| Power-off Memory |
Yes |
| Idle Motion |
Preset; Pattern; Tour; Scan |
| PTZ Protocol |
DH-SD
Pelco-P/D (auto recogniton)
|
| Video Metadata |
Support human body, human face, motor vehicle and non-motor vehicle image capture and attributes extraction. |
| IVS (Perimeter Protection) |
Tripwire; intrusion; climbing fences; loitering detection; abandoned/missing object; fast moving; parking detection; people gathering; vehicle/human alarm classification. |
| Face Detection |
Yes |
| Video Compression |
H.265; H.264M; H.264H; MJPEG; Smart H.265; Smart H.264 |
| 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 (1–25/30 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: 512–13056 kbps
H265: 204–7936 kbps |
| Day/Night |
Auto (ICR)/Color/B/W |
| BLC |
Yes |
| WDR |
Yes |
| 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 |
| Defog |
Optical |
| Digital Zoom |
16 × |
| Image Rotation |
0°/180° |
| Privacy Masking |
Up to 24 areas can be set, with up to 8 areas in the same view |
| S/N Ratio |
≥55 dB |
| Audio Compression |
G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; PCM |
| Network Port |
RJ-45 (10/100 Base-T) |
| Network Protocol |
HTTP; HTTPS; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; IPv6; 802.1x; QoS; FTP; UPnP; ICMP; SNMP; IGMP; RTP; PPPoE; RTMP; TCP |
| Interoperability |
ONVIF (Profle S&G&T); GB/T28181; CGI |
| Streaming Method |
Unicast/Multicast |
| User/Host |
20 (total bandwidth: 64 M) |
| Storage |
FTP; Micro SD card (512 GB); NAS |
| Browser |
IE 7 and later versions
Chrome 45 and later versions
Firefox 52ESR and earlier versions
Safari |
| Management Software |
Smart PSS; DSS; IVSS |
| Mobile Client |
iOS; Android |
| Analog Output |
1 channel (CVBS output, BNC) |
| RS-485 |
1 (baud rate: 1200 bps–115200 bps) |
| Audio Input |
1 channel (LINE IN, bare wire) |
| Audio Output |
1 channel (LINE OUT, bare wire) |
| Two-way Audio |
Yes |
| Alarm Input |
7 (on-off value input: 0–5 VDC) |
| Alarm Output |
2 |
| Alarm Linkage |
Capture; preset; tour; pattern; recordings on SD card; alarm digital input; client E-map; send email |
| Alarm Event |
Motion/tampering detection; audio detection; network disconnection detection; IP conflict detection; decoder state detection; memory card state detection; memory space detection; power exception detection |
| Optical Fiber |
100 M single fiber FC
Specifications: 1310 nm TX/1550 nm RX
Transmission distance: 20 km (12.43 mi)
|
| Power Supply |
36 VDC, 5 A (± 25%) |
| Power Consumption |
Basic: 22 W
Max.: 63 W (illuminator + wiper + PTZ) |
| Operating Temperature |
–40 °C to +70 °C (–40 °F to 158 °F) |
| Operating Humidity |
≤95% |
| Protection |
IP67; TVS 6000 V lightning proof; surge protection; voltage transient protection |
| Casing |
ADC12 |
| Product Dimensions |
344.6 mm × 252.2 mm × 499.8 mm (13.57" × 9.93" × 19.68") (L × W × H) |
| Net Weight |
15.4 kg (33.95 lb) |
| Gross Weight |
23.7 kg (52.25 lb) |
Đánh giá Camera IP PTZ 4MP Dahua DH-PTZ85448-HNF-PA-FL
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