DAHUA ITC431-SU1F-GFIR Dahua 4MP Smart Vehicle Detector

Basic

Image Sensor

1/1.8" CMOS

Shutter Mode

Double shutters; Single shutter

Electronic Shutter Speed

Auto/Manual 1/50 s–1/100,000 s

Exposure Mode

Fully automatic/custom interval automatic/custom

Iris Control

Fixed

Image Resolution

2688 × 1520 (OSD black background is not calculated in the pixels)

Video Resolution

4M (2688 × 1520); 1080p (1920 × 1080); UXGA (1600 × 1200);
720p (1280 × 720); D1 (704 × 576); CIF (352 × 288)

Video Frame Rate

PAL: main stream (2688 × 1520@ 25 fps), sub stream (1600 × 1200@ 25 fps)
NTSC: main stream (2688 × 1520@ 30 fps), sub stream (1600 × 1200@ 30 fps)

Video Bit Rate

H.264: 32 Kbps–32768 Kbps;
H.265: 32 Kbps–32768 Kbps;
MJPEG: 512 Kbps–32768 Kbps

Video Compression

H.264H; H.264B; H.265; MJPEG; H.264M

Field of View

H: 37.24°; V: 20.75°; D: 42.96°

Image Encoding Format

JPEG

Min. Illumination

0.001 lux

WDR

120 dB

White Balance

Auto;Night;Area white balance

Noise Reduction

3D NR

Day/Night

Supports ICR auto switch: IR cut-off filter (IRCF) with the

polarizing filter is used during the daytime, and switches to the IR transmitting filter at night

HLC

Yes

Bad Pixel Correction

Yes

Edge Enhancement

Yes

Expansion Module

Built in 80G millimeter wave radar, supporting long-distance traffic flow collection

Radar Transmission Frequency

80 GHz

Radar Antenna Beamwidth

Horizontal: -15 °~15 °, vertical: -4.5 °~4.5 °

Speed Measurement Range

1 km/h~250 km/h

Speed Measurement Accuracy

±5 km/h

Detection Region

250 m

Measurement Error

±0.6 m

Function

Composite Image

Supports composing 1, 2, 3, or 4 images

Trigger Mode

Video detection; radar

OSD Overlay

Time; address; lane No.; license plate; vehicle speed; vehicle color (not supported under infrared); vehicle logo; vehicle type

Storage

FTP;TF

Alarm Event

Storage full; storage error; no storage card; abnormal attitude; illegal access; license plate blocklist; security exception; traffic congestion; illegal parking; wrong-way driving; pedestrian event; excessive speeding; not keeping a safe distance from the vehicle ahead; road security warning

Automatic Network Replenishment (ANR)

Platform and FTP (TF card is required)

Image Tampering Prevention

Watermark and verification are available for videos and images

Positioning

GPS

Network Status Monitoring

NTP; GPS

Attitude Detection

Built in electronic gyroscope, supporting detection of abnormal posture and alarm

Security

Authorized username and password, MAC address binding, HTTPS encryption, and network access control

Auto Registration

Yes

Power Transmission

4G:

Power class3: 23 dBm ± 2 dB

3G/4G

4G:
operating frequency band:
LTE FDD: Band 1,3,5,7,8,20,28
LTE TDD: Band 38,40,41
WCDMA/HSPA+: Band 1,5,8
GSM/GPRS/EDGE: 850/900/1800MHz

Intelligence

Target Detection

Supports up to 128 object detections

ANPR

Bengal region recognition algorithm
(Recognition algorithm for other regions can be customized)

Vehicle Type Recognition

Vehicle head: Large bus, heavy truck, medium truck, sedan, van, light truck, medium bus, SUV, MPV, and pickup
Vehicle tail: SUV, large bus, sedan, light truck, pickup, medium truck, van, and heavy truck

Vehicle Color Recognition

White, pink, black, red, yellow, gray, blue, green, dark, orange, purple, brown, and silver gray (color recognition

is not supported during nighttime)

Traffic Flow Detection

Statistics of vehicle flow, average speed, lane occupancy, average time headway, average queue length, road status, and more; statistics can be exported in excel

Traffic Event

Records videos, take snapshots and triggers alarms for various events such as wrong-way driving, pedestrian violation, traffic congestion, speeding, driving too slow, not keeping a safe distance from the vehicle ahead, Traffic Road Alert and road security warnings

Lens Mount

M16

Port

Network Port

2 × RJ-45 Ethernet ports, 10/100/1000 M network transmission

GPS

1,GPS

4G Port

1

Storage

1, Maximum support for 256G TF card local storage

RS-485

2, connects to continuous lights and more

RS-232

1, for serial port debugging

I/O

1, for I/O alarm output

Power Supply

12 VDC, 24 VAC, 36 VDC

General

Power Consumption

≤ 20 W

Operating Temperature

−40 °C to +65 °C (−40 °F to +149 °F)

Storage Temperature

−40 °C to +70 °C (−40 °F to +154 °F)

Operating Humidity

10%–90% (RH), non-condensing

Storage Humidity

10%–90% (RH), non-condensing

Protection

IP66

Anti-corrosion Level

Basic Protection

Product Dimensions

201.7 mm × 148 mm × 440.5 mm (7.94" × 5.83" × 17.34") (L × W × H)

Net Weight

3.4 kg (7.50 lb)

Gross Weight

5.4 kg (11.90 lb)

Certifications

CE

Installation

Column bracket mount

Power Adapter

36 VDC (included)

Lens

Standard

Focal Length

12 mm

Lens Type

Fixed-focal