Dahua NK8BA4 Features
Camera
- Image Sensor 1/1.7-in. 12 MP STARVISTM CMOS
- Effective Pixels 4000(H) x 3000(V)
- RAM/ROM 1024 MB / 128 MB
- Scanning System Progressive
- Minimum Illumination Color: 0.01 Lux at F1.2; B/W: 0.001 Lux at F1.2
- S/N Ratio More than 50 dB
- Lens Mount C, CS Lens not included
Video
- Compression Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
- Streaming Capability Three (3) Streams
- Resolution 12 MP (4000 x 3000), 4K (3840 x 2160), 6 MP (3072 x 2048), 5 MP (2560 x 1920), 3 MP (2048 x 1536), 3 MP (2304 x 1296), 1080p (1920 x 1080), 1.3 MP (1280 x 960), 720p (1280 x 720), D1 (704 x 480), VGA (640 x 480), CIF (342 x 240)
- Frame Rate Main Stream: 12 MP at 20 fps or 4K at 30 fps
- Sub Stream: D1 at 30 fps
- Third Stream: 1080p at 30 fps
- Bit Rate Control CBR, VBR
- Bit Rate H.264: 24 to 16384 Kbps; H.265: 14 to 9984 Kbps
- Day/Night Auto (ICR), Color, B/W
- BLC Mode BLC, HLC, DWDR, SSA
- White Balance Auto, Natural, Street Lamp, Outdoor, Manual
- Gain Control Auto, Manual
- Noise Reduction 3D DNR
- Motion Detection Off, On (4 Zone, Rectangle)
- Region of Interest Off, On (4 Zone)
- Electronic Image Stabilization (EIS) Support
- Defog Support
- Digital Zoom 16x
- Flip 0°, 90°, 180°, 270°
- Mirror Off, On
- Privacy Masking Off, On (4 Area, Rectangle)
Audio
- Compression G.711a, G.711Mu, AAC, G.726
Network
- Ethernet RJ-45 (100/1000 Base-T)
- Protocol HTTP, HTTPs, TCP, ARP, RTSP, RTP, UDP, SMTP, FTP; DHCP, DNS, DDNS, PPPOE, IPv4/v6, QoS, UPnP, NTP; Bonjour, 802.1x, Multicast, ICMP, IGMP, SNMP
- Interoperability ONVIF, PSIA, CGI
- Streaming Method Unicast / Multicast
- Max. User Access 10 Users / 20 Users
- Edge Storage NAS
- Local PC for instant recording
- Mirco SD card, maximum 128 GB
- Web Viewer IE, Chrome, Firefox, Safari
- Management Software Smart PSS, DSS
- Mobile Operating Systems IOS, Android
Certifications
- Safety UL60950-1
- Electromagnetic Compatibility (EMC) FCC Part 15 Subpart B
Interface
- Video Interface One (1) port
- Audio Interface Audio In: One (1) Channel
- Audio Out: One (1) Channel; One (1) Built-in Microphone
- RS485 One (1) port
- Alarm Alarm In: Two (2) Channels
- Alarm Out: One (1) Channel
Electrical
- Power Supply 12 VDC, 24 VAC, PoE (802.3af, Class 0)
- Power Consumption <8 W
Environmental
- Operating Conditions -30° C to +60° C (-22° F to +140° F); Less than 95% RH
- Storage Conditions -30° C to +60° C (-22° F to +140° F); Less than 95% RH
Construction
- Casing Metal
- Dimensions 135.40 mm x 74.40 mm x 65.50 mm (5.33 in. x 2.93 in. x 2.58 in.)
- Net Weight 0.66 kg (1.46 lb)
- Gross Weight 0.77 kg (1.70 lb)
Intelligence
- IVS triggers an alarm and takes a defined action for the following events:
- Standard Features Tampering with the camera.
- Camera loses or changes focus drastically.
- Error writing to an onboard Micro SD card.
- Error sending or receiving data over the network.
- Unauthorized access to the camera.
Premium Features
- Motion An object moves through any part of the scene.
- Tripwire A target crosses a user-defined line.
- Intrusion A target enters or exits a defined perimeter.
- Scene Change A person or object moves the camera to change the scene or covers the camera to obscure the scene.
- Abandoned/Missing Object A target leaves an object in designated area, or a target removes an object from the same designated area.
Advanced Features
- Facial Detection Detects and captures a snapshot of a human face in a defined area within a scene.
- People Counting Measure the number of customers, visitors or passengers in a surveillance scene.
- Heat Map Generates a visual representation of data.
