DAHUA SD8A840-HNF-PA 4K 40x Starlight IR PTZ AI Network Camera

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SKU: SD8A840-HNF-PA Categories: ,


Product Highlights

  • 1/1.8″ 8Megapixel STARVIS™ CMOS
  • Powerful 40x optical zoom
  • Starlight technology
  • Perimeter protection
  • Metadata
  • Face Recognition
  • Auto-tracking
  • Smart wiper
  • IP67

Product Catalogue

Product Specification

Image Sensor 1/1.8″ CMOS
Pixel 8 MP
Max. Resolution 3840 (H) x 2160 (V)
Electronic Shutter Speed 1/1 s–1/30,000 s
Scanning System Progressive
Min. Illumination Color: 0.005 [email protected]

B/W: 0.0005 [email protected]

0 [email protected] (illuminator on)

Illumination Distance 500 m (1640.42 ft)
Illuminator On/Off Control Zoom Prio; Manual; Smart IR
Illuminator Number 10 IR lights
Wiper Smart wiper
Focal Length 5.6 mm–223 mm
Max. Aperture F1.4–F4.5
Field of View H: 63.9°–2.0°; V: 37.3°–1.1 °; D: 71.2°–2.3 °
Optical Zoom 40x
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 Observe Recognize Identify
4,400 m

(14,435.70 ft)

1,740 m

(5,708.66 ft)

880 m

(2,887.14 ft)

440 m

(1,443.57 ft)

Pan/Tilt Range Pan: 0° to 360°
Tilt: –30° to +90°, auto flip 180°
Manual Control Speed Pan: 0.1°/s–240°/s
Tilt: 0.1°/s–100°/s
Preset Speed Pan: 240°/s; Tilt: 120°/s
Preset 300
Tour 8 (up to 32 presets per tour)
Pattern 5
Scan 5
Speed Adjustment Yes
Power-off Memory Yes
Idle Motion Preset; Tour; Pattern; Scanning
PTZ Protocol DH-SD
Pelco-P/D (auto recognition)
Smart Event
Event Trigger Motion detection, video tampering, scene changing, network disconnection, IP address conflict, illegal access, and storage anomaly
IVS Object Abandoned/Missing
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 Recognition Yes
Auto Tracking Yes
Video Compression Smart H.265+; H.265; Smart H.264+; H.264; MJPEG (Sub Stream 1)
Streaming Capability 3 streams
Resolution 4K (3840 × 2160); 4M (2560 × 1440); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576);

CIF (352 × 288)

Video Frame Rate Main stream: 4K/4M/1080p/1.3M/720p (1–25/30 fps)
Sub stream 1: D1/CIF (1–25/30 fps)
Sub stream 2: 1080p/1.3M/720p (1–25/30 fps)
Bit Rate Control CBR; VBR
Video Bit Rate H264: 512 kbps–16384 kbps
H265: 256 kbps–10240 kbps
Day/Night Auto (ICR); Color; B/W
WDR 120 dB
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 16x
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; AAC; G722.1; G.729; MPEG2-Layer2; G723
Network Port RJ-45 (10/100 Base-T)
Network Protocol IPv4; IPv6; HTTP; HTTPS; 802.1x; QoS; FTP; SMTP; UPnP; SNMP v1/v2c/v3 (MIB-2); DNS; DDNS; NTP; RTSP; RTP; TCP; UDP; IGMP; ICMP; DHCP; PPPoE; ARP; RTCP; RTMP
Interoperability ONVIF (Profile S&G&T); CGI
Streaming Method Unicast; Multicast
User/Host 20 (total bandwidth: 64 M)
Storage FTPMicro SD card (512GB)
Browser IE 7 and later versions
Chrome 42 and earlier versions
Firefox 52 and earlier versions
Management Software Smart PSS; DSS; DMSS; Easy4ip; IVSS
Mobile Client iOS; Android
Certifications CE: EN55032/EN55024/EN50130-4
FCC: Part15 subpartB, ANSI C63.4-2014
Analog Output 1 BNC
RS-485 1 (baud rate range: 1200 bps–9600 bps)
Alarm I/O 7/2
Audio I/O 1/1
Power Supply 36 VDC, 2.23 A (±25%)


Power Consumption Basic: 30 W

Max.: 48 W (illuminator + PTZ working)

Operating Temperature –40 °C to +70 °C (–40 °F to +158 °F)
Operating Humidity ≤95% (RH)
Protection IP67; TVS 6000 V lightning protection; surge protection; voltage transient protection
Casing Metal
Product Dimensions 415.6 mm × Φ26 2 mm (16.36″ × Φ10.31″)
Net Weight 10 kg (22.05 lb)
Gross Weight 12 kg (26.46 lb)

Product Warranty

2 years


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