Dahua 8A840WANF
Dahua 8A840WANF
Dahua 8A840WANF 4K IR 40x Starlight Analytics+ PTZ Network Camera


Dahua 8A840WANF 4K IR 40x Starlight Analytics+ PTZ Network Camera

Sale price$3,893.38


Discontinued - Recommended Replacement:


Dahua 8A840WANF Features


  • Image Sensor 1/1.8-in. STARVIS™ CMOS
  • Effective Pixels 3840(H) x 2160(V), 8 MP
  • RAM/ROM 1024 MB / 128 MB
  • Scanning System Progressive
  • Electronic Shutter Speed 1/1 s to 1/30,000 s
  • Minimum Illumination Color: 0.002 lux at F1.4, B/W: 0.0002 lux at F1.4, 0 Lux with IR on
  • IR Distance Distance up to 500.0 m (1640.42 ft)
  • IR On/Off Control Auto, Manual
  • IR LEDs 10


  • Focal Length 5.6 mm to 223 mm
  • Max. Aperture F1.4 to F4.8
  • Angle of View Horizontal: 63.9° to 2.0°, Vertical: 37.2° to 1.2°, Diagonal: 71.2° to 2.4°
  • Optical Zoom 40x
  • Focus Control Auto, Manual
  • Iris Control Auto, Manual
  • Close Focus Distance 100 mm to 1000 mm (3.93 in. to 39.37 in.)


  • Pan/Tilt Range Pan: 0° to 360° endless, Tilt: –30° to 90°
  • Auto Flip 180°
  • Manual Control Speed Pan: 0.1° to 240° /s, Tilt: 0.1° to 100° /s
  • Preset Speed Pan: 240° /s, Tilt: 120° /s
  • Presets 300
  • PTZ Mode 5 Pattern, 8 Tour (up to 32 presets per tour), Auto Pan, Auto Scan, Speed Setup Human-oriented focal Length/ speed adaptation, Power up Action Auto restore to previous PTZ and lens status after power failure
  • Idle Motion Activate Preset/ Scan/ Tour/ Pattern if there is no command in the specified period
  • Protocol DH-SD, Pelco-P/D (Auto recognition)


  • Compression Smart H.265+, H.265, Smart H.264+, H.264, MJPEG (sub stream only)
  • Streaming Capability Three (3) Streams


  • 8 MP (3840 x 2160), 1080p (1920 x 1080), 1.3 MP (1280 x 960), 720p (1280 x 720), D1 (704 x 380), CIF (352 x 240)
  • Frame Rate Main Stream 8 MP, 1080p, 1.3 MP, or 720p at 30 fps, Sub Stream 1 D1 or CIF at 30 fps, Sub Stream 2 1080p, 1.3 MP, or 720p at 30 fps
  • Bit Rate Control CBR, VBR
  • Bit Rate H.265 / H.264: 512 K to 8192 Kbps,
  • Day/Night Auto (ICR), Color, B/W
  • Backlight Compensation BLC, HLC, True WDR (120 dB)
  • White Balance Auto, ATW, Indoor, Outdoor, Manual, Sodium Lamp, Natural, Street Lamp
  • Gain Control Auto, Manual, Gain Priority, Shutter Priority, Aperture Priority
  • Noise Reduction Ultra DNR (2D/3D)
  • Advanced Features Motion Detection, Region of Interest,
  • Electronic Image Stabilization (EIS), Defog
  • Digital Zoom 16x
  • Flip 180°
  • Privacy Masking Up to 24 areas


  • Compression G.711a, G.711Mu, PCM, G.726, AAC, G722.1, G.729, MPEG2-Layer2


  • Ethernet RJ-45 (10 Base-T/100 Base-TX)
  • Protocol IPv4/IPv6, HTTP, HTTPS, SSL, TCP/IP, UDP, UPnP, ICMP, IGMP, SNMP, RTSP, RTP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, QoS, Bonjour, 802.1x
  • Interoperability ONVIF Profile S and G, API
  • Streaming Method Unicast / Multicast
  • Maximum User Access 20 users
  • Edge Storage, NAS (Network Attached Storage), Local PC for instant recording, Micro SD Card, maximum 256 GB
  • Web Viewer Internet Explorer
  • Management Software Smart PSS, DSS, DMSS
  • Mobile Operating System IOS, Android


  • CE EN55032, EN55024, EN50130-4
  • Electromagnetic Compatibility (EMC), FCC Part 15 Subpart B, ANSI C63.4- 2014


  • Video One (1) BNC (1.0 Vp-p, 75 Ω)
  • Audio Input: One (1) Channel
  • Output: One (1) Channel
  • RS485 One (1)
  • Alarm Input: Seven (7) Channels, Output: Two (2) Channels


  • Power Supply 24 VAC, 3 A (± 25%), Hi-PoE
  • Power Consumption 26 W, 42 W with IR on


  • Operating Conditions –40° C to 70° C (–40° F to +158° F), Less than 95% RH
  • Ingress Protection IP67


  • Casing Metal
  • Dimensions ø262.0 mm x 415.60 mm (ø10.32 in. x 16.36 in.)
  • Net Weight 8.75 kg (18.74 lb)
  • Gross Weight 13.50 kg (29.76 lb)

Accessories Included

  • PFA150 Pole Mount, AC24V/3A, Power Adapter, PFB306W Wall Mount

Analytics+ Functions

  • Face Recognition
  • Supports five group libraries that store up to 10,000 faces on the camera.
  • Captures 16 face images per second, compares to stored images, and produces match statistics.
  • Extracts six attributes and eight expressions from a face capture.
  • Offers face enhancement, face exposure, and a face angle filter for clear facial images.
  • Perimeter Protection
  • Detects human or vehicle violations using the following methods:
  • Tripwire: a target crosses a defined line.
  • Intrusion: a target enters or exits a defined perimeter.
  • Filters actions that may produce a false alarm due to animals, leaves, and bright lights.

Intelligent Video System Functions

  • IVS triggers an alarm and takes a defined action for the following events:
  • Standard Features
  • Tampering with the camera.
  • Error writing to an onboard Micro SD card.
  • Error sending or receiving data over the network.
  • Unauthorized access to the camera.
  • IP Address Conflict
  • 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.
  • Abandoned/Missing Object A target leaves an object in designated area, or a target removes an object from the same designated area.
  • Advanced Features
  • Auto-tracking Controls the pan/tilt/zoom actions of the camera to automatically track an object in motion and to keep it in the scene.

Dahua 8A840WANF Overview

The 4K IR PTZ Dome camera features a 1/1.8-in STARVIS™ CMOS imager with a 40x optical zoom lens, and provides an all in one solution for capturing long-distance video surveillance for outdoor applications. The camera offers Analytics+ functions at the edge – performing complex real-time face recognition and perimeter protection surveillance. The Dahua Analytics+ algorithms significantly improve accuracy and reliability as compared to standard intelligent features.