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DHI-ITC431-RW1F-IRL8 4MP IR AI Enforcement Camera

  • Dahua 4 megapixel AI Enforcement camera for outdoor IR illuminated traffic control
  • 1 / 1.8 ”CMOS of 4MP
  • Dual-stream
  • H.265 / H.264M / H.264H / H.264B / MJPEG format
  • 4MP resolution
  • 10 ~ 40mm motorized lens
  • OSD, AWB, WDR 90dB, 2D / 3D-DNR
  • 1 audio input / 1 output
  • 3 alarm inputs / 2 outputs
  • Support TF card
  • 1 RS485, 2 RS232
  • 1 Gigabit RJ45
  • IP67
  • 12V DC / 36V DC
  • PoE



System Overview

This 4MP IR AI enforcement camera is designed with a high-sensitivity sensor and high-performance AI processor, and it also integrates a deep learning algorithm to read and analyze vehicle metadata in real-time, make statistics of traffic flow, detect events and violations, ensuring traffic safety. It supports IR mode at night for reduced light pollution.


  • Intelligent traffic monitoring Traffic violations capturing, passing vehicle records, traffic data collection,
    event detection, and more.
  • Various video compression standards
    H.265, H.264M, H.264H, H.264B, and MJPEG.
  • Wide dynamic range
    Adopts industry-leading WDR technology to obtain clear and detailed information even in the conditions of strong brightness contrast. Clear videos can be captured in high-brightness environments, backlight shadows, and bright and dark areas under strong light sources.
  • High-level protection
    IP67 high-level protection.
  • Multiple modes of power supply
    Supports PoE and 12V DC-36V DC power output, meeting the power supply needs of different customers.


The camera is ideal for intelligent traffic management and safe city businesses with its capacities of traffic violation capturing, passing vehicle records, traffic data collection, event detection, and more.

Additional information

Weight5 lbs
Dimensions19 × 6 × 6 in


4MP Dahua IP Camera for Traffic Control


Main ProcessorHigh-performance embedded processor


Image Sensor1/1.8” CMOS
Shutter ModeSingle shutter
Electronic Shutter Speed1/25 s–1/100000 s (manual/auto)
Exposure ModeFull auto, customized auto, customized
Iris ControlFixed iris/manual iris/auto iris/P iris
Image Resolution2688 × 1520 (OSD black strip excluded)
Video Resolution4M (2688 × 1520)/1080P (1920 × 1080)/UXGA (1600 × 1200)/720P (1280 × 720)/D1 (704 × 576)/CIF (352 × 288)
Video Frame RateMaximum 25fps; mainstream (2688 × 1520@25fps), sub-stream (1600 × 1200@25fps)
Video Bit RateH.264: 32kbps–32767kbps
H.265: 32kbps–32767kbps
MJPEG: 512kbps–32767kbps
Video CompressionH.265/H.264M/H.264H/H.264B/MJPEG
Picture Encoding FormatJPEG
WDR90 dB
White BalanceAuto/outdoor/manual/local white balance/natural light/street light
Noise Reduction2DNR/3DNR
Bad Pixel CorrectionYes
Edge EnhancementYes
Illuminator Number4 illuminators

(850nm IR LED illuminators, brightness adjustable)


Composite ImageSupports composing 1, 2, 3, or 4 pictures
Trigger ModeVideo detection/radar
OSD OverlayMotor vehicles: Time, location (video channel location), lane (number, direction), plate (number and color), speed, region, vehicle color, vehicle logo, vehicle type Non-motor vehicles: Helmet, passenger overloading
StorageFTP, TF card (maximum 256GB@Class10)
Alarm EventStorage full, storage error, external alarm, no storage card, license plate blocklist, illegal access, network disconnection, and IP conflict
Automatic Network Replenishment (ANR)Platform, FTP (TF card is required)
Image Tampering PreventionYes. Watermark and verification are available for videos and pictures
Time SynchronizationYes. NTP
SecurityAuthorized username and password, MAC address binding, HTTPS encryption, and network access control
Drawing Detection LineSupports automatically drawing detection lines
Auto RegistrationYes


Target DetectionMotor vehicles and non-motor vehicles
Face DetectionFace cutout of the driver and front-seat passenger of motor vehicles, and non-motor vehicle driver
License Plate RecognitionAdopts self-developed algorithm to recognize license plates combining numbers and letters
Vehicle Type RecognitionVehicle head: Coach bus, medium bus, SUV, MPV, pickup, heavy truck, medium truck, car, van, and light truck
Vehicle tail: SUV, car, van, coach bus, pickup, cargo truck, mini truck, tank truck, and mixer truck
Vehicle Color RecognitionWhite, pink, black, red, yellow, gray, blue, green, amber, purple, brown, silver-gray (color cannot be recognized in IR mode during nighttime)
Motor Vehicle Violation CaptureOverspeed, under-speed, wrong-way driving, illegal lane change
Non-motor Vehicle Violation CaptureOverloading, not wearing a helmet
Traffic Flow DetectionStatistics of vehicle flow, average speed, vehicle type, lane occupancy, average time headway, average queue length, road status, and more; statistics can be exported in Excel
Traffic Event DetectionParking violations of motor vehicles, wrong-way driving, and traffic congestion
Video MetadataMotor vehicle: License plate, vehicle type, vehicle color, license plate color, vehicle logo, and more (color cannot be recognized in IR mode during nighttime)
Non-motor vehicle: Type (two-wheelers, three-wheelers), color, wearing a helmet or not, passenger (1, 2, 3, or more passengers)


Network1 RJ-45 Ethernet port, 10/100/1000M network transmission
Storage1, supports a maximum 256GB TF card local storage
RS-4851, connecting to devices such as radar
RS-2322 ports. G T R for serial debugging, and G T1 R1 for connecting to radar
Alarm Input3 channels
Alarm Output2 channels. 1 for the relay, and 1 for the optocoupler
Audio Input1
Audio output1


Power Supply12V DC, 36V DC, PoE
Power Consumption≤ 8W
Operating Temperature−40°C to +65°C (−40°F to +149°F)
Operating Humidity10%–90%
Protection GradeIP67
Dimensions466.4 mm × 135.8 mm × 134.1 mm

(18.36” × 5.35” × 5.28”) (L × W × H)

Net Weight2.8 kg (6.17 lb)
Gross Weight4.5 kg (9.92 lb)
CertificationsCE, FCC, UL
InstallationSupports installation with universal mounting bracket, or side-mounted on pole with mounting bracket
LensBuilt-in 10 mm–40 mm motorized varifocal lens


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