Dahua Technology 2MP IP Outdoor Dual-Sensor Network Dome Security Camera with Night Vision

Brand :Dahua


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2x2MP IR Dual-sensor Dome Network Camera

The Dahua DH-IPC-HDBW4231FN-E2-M Dual-sensor Dome Camera features two (2) 1/2.8-in. 2 MP Progressive Scan STARVIS™ CMOS Sensors each with a 2.8 mm fixed lens. Each sensor can be positioned and configured independently of the other allowing flexible, multi-directional video surveillance that is ideal for monitoring an entire corridor or a street.  The camera offers True Wide Dynamic Range, a True Day/Night IR Cut filter, IP67 Ingress protection and operation in extreme temperatures to deliver superior images in all lighting and environmental conditions.

  • Two (2) Independent 1/2.8-in. 2 MP Progressive Scan STARVIS™ CMOS Sensors
  • Dual-stream Encoding per each Channel
  • H.265 and H.264 Dual Codecs
  • 2 MP at 30 fps Maximum Resolution per Sensor
  • Two (2) 2.8 mm Fixed Lenses
  • Basic Starlight Technology for Low Light Sensitivity
  • True Wide Dynamic Range (Channel 1) and True Day/Night (ICR)
  • Built-in Microphone
  • Intelligent Video System
  • Maximum IR LED Distance 20 m (66 ft)
  • ArcticPro Series Camera – Operational down to –40° C (–40° F)
  • IP67 Ingress Protection and IK10 Vandal Resistance
  • PoE Support
  • Five-year Warranty (for products sold through an authorized Dahua Dealer)



  • Image Sensor 1/1.8-in. 4 MP CMOS
  • Effective Pixels 2688(H) x 1520(V)
  • RAM/ROM 512 MB/128 MB
  • Scanning System Progressive
  • Electronic Shutter Speed Auto, Manual, 1/3 s to 1/100,000 s
  • Minimum Illumination Color: 0.004 lux at F2.0 (1/3 s, 30 IRE), 0 lux at F2.0 (IR on)
  • IR Distance Up to 10 m (32.81 ft)
  • IR On/Off Control Auto, Manual
  • IR LEDs Two (2), 940 nm Wavelength
  • Installation Angle Vertical: –10° to +10°
  • Rotation: 0° to 355°


  • Lens Type Fixed
  • Mount Type M12
  • Focal Length 2.5 mm
  • Maximum Aperture F2.0
  • Angle of View Horizontal: 135°, Vertical: 90°
  • Focus Control Fixed
  • Close Focus Distance 0.40 m (1.31 ft)


  • Compression Smart H.265+, H.265, Smart H.264+, H.264, H.264B, H.264H, MJPEG
  • Streaming Capability Three (3) Streams
  • Resolution 2688 x 1520; 2560 x 1440; 2304 x 1296; 2016 x 1512; 1080p (1920 x 1080); UXGA (1600 x 1200); 1.3 MP (1280 x 960); 720p (1280 x 720); D1 (704 x 480); VGA (640 x 480); CIF (352 x 240)
  • Frame Rate Main Stream: 4 MP (2688 x 1520) at 30 fps, Sub Stream 1: D1 at 30 fps, Sub Stream 2: D1 at 12 fps
  • Bit Rate Control CBR/VBR, Bit Rate H.264: 32 Kbps to 8192 Kbps, H.265: 19 Kbps to 8192 Kbps
  • Day/Night Auto (ICR), Color, B/W
  • Wide Dynamic Range Ultra WDR (140 dB)
  • White Balance Auto, Natural, Street Lamp, Outdoor, Manual, Regional Custom
  • Gain Control Auto, Gain Priority, Shutter Priority, Manual
  • Noise Reduction 3D DNR
  • Motion Detection Off, On (4 Zones, Rectangular)
  • Region of Interest Off, On (4 Zones)
  • Advanced Features Smart IR, Defog, Electronic Image Stabilization (EIS)
  • Flip 0°, 90°, 180°, 270°
  • Mirror Off, On
  • Privacy Masking Off, On (4 Areas, Rectangular)


  • Compression G.711a, G.711Mu, AAC, G.726


  • Ethernet RJ-45 (10/100 Base-T)
  • Interoperability ONVIF Profile S and G, CGI, Milestone, Genetec, P2P
  • Scene Self-adaptation Support
  • Streaming Method Unicast / Multicast
  • Maximum User Access 20 Users
  • Edge Storage Network Attached Storage (NAS), FTP, Micro SD Slot, maximum 256 GB


  • Safety EN 60950-1:2006+A11:2009+A1:2010+A12:2011+, A2:2013
  • Electromagnetic Compatibility (EMC) 47 CFR FCC Part 15, Subpart B, Class B EN, 55032:2015, Class B; EN 61000-3-2:2014; EN 61000-3-3:2013; EN 55024:2010+A1:2015; EN 55035:2017; EN 50130-4:2011+A1:2014


  • Audio Input: One (1) Channel plus a Built-in Microphone, Output: One (1) Channel
  • Alarm Input: One (1) Channel (5 mA, 5 VDC) Output: One (1) Channel (300 mA, 12 VDC)
  • RS485 One (1) port (Baud rate range: 1200 bps to 115200 bps)


  • Power Supply Input 12 VDC or PoE (IEEE 802.3af, Class 0), Output 12 VDC, 165 mA
  • Power Consumption 12 VDC Standard: 3.0 W with IR ON: 9.5 W
  • PoE Standard: 3.6 W with IR ON: 11.5 W


  • Operating Conditions –40° C to +60° C (–40° F to +140° F), ≤ 95% RH
  • Storage Conditions –40° C to +60° C (–40° F to +140° F),
  • Ingress Protection IP67
  • Vandal Resistance IK10+50J


  • Casing Metal
  • Dimensions 209.40 mm x 212.0 mm x 103.10 mm (8.24 in. x 8.35 in. x 4.06 in.)
  • Net Weight 1.37 kg (3.02 lb)
  • Gross Weight 1.47 kg (3.24 lb)

Analytics+ Functions

  • 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.
    Monitors a combination of ten (10) detection methods.
    Search and retrieve video based on target type.
  • People Counting Delivers accurate flow statistics from the following methods:
    Line Crossing: counts a person as they cross a threshold in a defined direction.
    Region: counts the number of people in a defined area.
    Counts people simultaneously entering and exiting an area.
    Queue Management counts number of people standing in line and tracks the waiting time.

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.
  • 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.
  • Fast Moving Triggers an alarm when the speed of an object exiting a defined area exceeds a specified sensitivity setting.
  • Parking Detection Monitors a defined area for the presence of a vehicle that remains in the area without motion.
  • Crowd Gathering Monitors a defined area for a set number of people gathering and remaining inside the defined area.
  • Loitering Detection Monitors a defined area for the presence of an object that remains in the area longer than a specified amount of time.
  • Advanced Feature
  • Heat Map Generates a visual representation of data.

Dahua Technology DH-IPC-HDBW4231FN-E2-M Specs


Sensor 2 x 2 MP 1/2.8″ CMOS
Focal Length 2.8mm
Maximum Aperture f/2
Zoom Digital: 16x
Lens Field of View Horizontal: 110°
Vertical: 60°
IR Cut Filter Mechanical
Day/Night Yes
Minimum Illumination Color: 0.009 Lux
B&W: 0 Lux
Shutter Speed 1/100,000 to 1/3 Seconds
Camera Angle Adjustment Horizontal: -90 to 90°
Vertical: 0 to 65°


Streaming Resolution 1920 x 1080 at 30 fps (10.24 Mb/s H.264)
Supported Video Compression H.264, H.265, MJPEG
Multi-View Streaming Yes, 2 Streams
Automatic Gain Control Yes


Streaming Single
Audio Formats AAC, G.711, G.726
Built-In Mic Yes


Security HTTPS, IEEE 802.1X
Supported Protocols ARP, Bonjour, DDNS, DHCP, DNS, FTP, HTTP, ICMP, IGMP, IPv4/v6, NTP, PPPoE, QoS Layer 3 DiffServ, RTP, RTSP, SMTP, TCP, UDP, UPnP

System Integration

Application Programming Interface (API) ONVIF Profiles S & G
Analytics Tampering, Memory Card Error, Network Error, Unauthorized Access, Motion, Tripwire, Intrusion, Scene Change, Abandoned/Missing Object, Facial Detection
Event Trigger Yes
Event Action Recording, Notification, Alarm
Data Streaming Yes

System Requirements

Mobile Operating Systems iOS, Android


Operating Temperature -22 to 140°F / -30 to 60°C
Storage Temperature -22 to 140°F / -30 to 60°C
Operating Humidity 0 to 95%
IP Rating IP67
IK Rating IK10


Memory 512 MB RAM / 256 MB Flash
Recording Media microSD (up to 128 GB)
Pan/Tilt None
I/O Connections 1 x RJ45
1 x Power
IR Range 65.62′ / 20 m
Video Management Software SmartPSS, DSS, DMSS
Internal Storage None
External Storage Options Local PC, NAS
Power Source DC, PoE 802.3af (15 W)
Power Consumption 6.5 W
Material of Construction Metal (Unspecified Type)
Dimensions ø: 4.8 x H: 2.6″ / ø: 122.0 x H: 66.2 mm
Weight 1.1 lb / 0.5 kg

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