Dahua IP Camera 8MP IPC-HFW4831T-ASE

8MP WDR IR Mini Bullet Network Camera

  • 1/2.5” 8MP progressive scan STARVIS™ CMOS.
  • H.265 & H.264 triple-stream encoding.
  • 15fps @ 4K (3840×2160), 25/30fps @ 3M (2304×1296).
  • Supports Smart Detection.
  • WDR (120dB), Day/Night (ICR), 3DNR, AWB, AGC, BLC.
  • Multiple network monitoring: Web viewer, CMS (DSS/PSS), and DMSS.
  • 2.8mm fixed lens (4mm optional).
  • Max. IR LEDs length: 80m.
  • Micro SD memory, IP67, IK10, PoE.

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Camera Overview

This camera boasts a 1/2.5” 8 Megapixel progressive scan CMOS image sensor, delivering high-resolution images with effective pixels of 3840 (H) x 2160 (V). It is equipped with 512 MB of RAM and 32 MB of ROM and supports a progressive scanning system. The electronic shutter speed is adjustable between auto and manual settings, ranging from 1/3 to 1/100000 seconds.

Illumination and S/N Ratio

The camera’s minimum illumination capabilities are 0.06 Lux at F1.6 for color images at 1/3 second exposure and 30 IRE, and 0.3 Lux at F1.6 for color images at 1/30 second exposure and 30 IRE. It operates in complete darkness with IR on. The signal-to-noise ratio is more than 50 dB, ensuring clear image quality.

Infrared Capabilities

Equipped with four IR LEDs, the camera provides infrared illumination up to a distance of 80 meters (262 feet). The IR can be controlled automatically or manually, enhancing night-time surveillance capabilities.

Lens Specifications

The camera features a fixed lens type, mounted on a board-in style. It has a focal length of 2.8 mm, with an optional 4 mm lens. The maximum aperture is F1.6. The angle of view for the 2.8 mm lens is 112° horizontally and 69° vertically, while the 4 mm lens offers an 88° horizontal and 48° vertical angle of view. The focus is fixed, with close focus distances of 0.9 meters for the 2.8 mm lens and 1.7 meters for the 4 mm lens.

DORI Distance

For the 2.8 mm lens, the DORI (Detect, Observe, Recognize, Identify) distances are as follows:

  • Detect: 69 meters (226 feet)
  • Observe: 28 meters (92 feet)
  • Recognize: 14 meters (46 feet)
  • Identify: 7 meters (23 feet)

For the 4 mm lens, the distances are:

  • Detect: 89 meters (292 feet)
  • Observe: 36 meters (118 feet)
  • Recognize: 18 meters (59 feet)
  • Identify: 9 meters (30 feet)

Pan/Tilt/Rotation

The camera supports a full range of motion with a pan range of 0° to 360°, a tilt range of 0° to 90°, and a rotation range of 0° to 360°, providing extensive coverage and flexibility in monitoring.

Intelligent Features

Event Trigger

The camera is equipped with event triggers for motion detection, video tampering, scene changing, network disconnection, IP address conflict, illegal access, and storage anomalies.

Intelligent Video Surveillance (IVS)

IVS features include tripwire, intrusion detection, and object abandoned/missing detection. Advanced intelligent functions also include face detection.

Video Specifications

The camera supports various video compression formats, including H.265, H.264, H.264B, H.264H, and MJPEG for the sub-stream. It supports smart codec technologies like H.265+ and H.264+. The camera can stream three simultaneous streams with resolutions ranging from 4K (3840×2160) to CIF (352×288/352×240). The main stream supports 4K resolution at 1 to 15 fps and 3M at 1 to 25/30 fps.

Day/Night Mode and Image Enhancements

The camera operates in day/night mode with automatic (ICR), color, and black/white settings. It supports backlight compensation (BLC), highlight compensation (HLC), and wide dynamic range (WDR) up to 120 dB. Additional image enhancements include 3D digital noise reduction (DNR), smart IR support, and various white balance settings.

Audio and Network Features

The camera includes audio capabilities with compression formats such as G.711a, G.711Mu, AAC, and G.726. Network connectivity is provided via an RJ-45 Ethernet port supporting 10/100 Base-T. It is compatible with multiple protocols, including HTTP, HTTPS, TCP, ARP, RTSP, and more. The camera supports ONVIF, PSIA, and CGI, ensuring interoperability with other devices.

Storage and Software Compatibility

Edge storage options include NAS, local PC recording, and a micro SD card up to 128 GB. The camera can be accessed via web browsers like IE, Chrome, Firefox, and Safari, and managed using software such as Smart PSS, DSS, and Easy4ip. Mobile apps are available for iOS and Android.

Certifications and Interfaces

The camera is certified with CE (EN 60950:2000), UL (UL60950-1), and FCC (FCC Part 15 Subpart B). It includes audio input/output interfaces but does not feature a video interface or RS485.

Power and Environmental Specifications

The camera supports DC12V and PoE (802.3af, Class 0) power supplies. Power consumption is less than 11W. It operates in temperatures from -30° C to +60° C (-22° F to +140° F) and has an IP67 ingress protection rating and IK10 vandal resistance.

Construction and Dimensions

The camera’s casing is made of metal, with dimensions of 244.1 mm x 79 mm x 75.9 mm (9.61” x 3.11” x 2.99”). It has a net weight of 0.815 kg (1.80 lb) and a gross weight of 1.08 kg (2.38 lb).

This detailed overview highlights the camera’s key features and specifications, providing insights into its capabilities and functionalities for high-quality surveillance.

Specifications

Camera

Image Sensor

1/2.5” 8Megapixel progressive scan CMOS

Effective Pixels

3840(H)x2160(V)

RAM/ROM

512MB/32MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual, 1/3~1/100000s

Minimum Illumination

0.06Lux/F1.6( Color,1/3s,30IRE)

0.3Lux/F1.6( Color,1/30s,30IRE)

0Lux/F1.6(IR on)

S/N Ratio

More than 50dB

IR Distance

Distance up to 80m (262ft)

IR On/Off Control

Auto/ Manual

IR LEDs

4

Lens

Lens Type

Fixed

Mount Type

Board-in

Focal Length

2.8mm (4mm optional)

Max. Aperture

F1.6 (F1.6)

Angle of View

H:112° (88°), V:69° (48°)

Focus Control

Fixed

Close Focus Distance

0.9m(1.7m)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

69m(226ft)

28m(92ft)

14m(46ft)

7m(23ft)

4mm

89m(292ft)

36m(118ft)

18m(59ft)

9m(30ft)

Pan/Tilt/Rotation

Pan/Tilt/Rotation Range

Pan:0˚~360˚; Tilt:0˚~90˚; Rotation:0˚~360˚

Intelligence

Event Trigger

Motion detection, Video tampering , Scene changing, Network disconnection , IP address conflict, Illegal Access,Storage anomaly

IVS

Tripwire, Intrusion, Object Abandoned/Missing

Advanced Intelligent Functions

Face Detection

Video

Compression

H.265/H.264/H.264B/H.264H/MJPEG(Sub Stream)

Smart Codec

Support H.265+/H.264+

Streaming Capability

3 Streams

Resolution

4K(3840×2160)/6M(3072×2048)/5M(2560×1920)/

3M(2048×1536)/3M(2304×1296)/

1080P(1920×1080)/1.3M(1280×960)/

720P(1280×720)/D1(704×576/704×480) /VGA(640×480)/CIF(352×288/352×240)

Frame Rate

Main Stream: 4K(1~15fps)/3M(1~25/30fps)

Sub Stream: D1(1~25/30fps)

Third Stream: 1080P(1~25/30fps)

Bit Rate Control

CBR/VBR

Bit Rate

H.264: 24K ~ 10240Kbps

H.265: 14K ~ 9984Kbps

Day/Night

Auto(ICR) / Color / B/W

BLC Mode

BLC / HLC / WDR(120dB)

White Balance

Auto/Natural/Street Lamp/Outdoor/Manual

Gain Control

Auto/Manual

Noise Reduction

3D DNR

Motion Detetion

Off / On (4 Zone, Rectangle)

Region of Interest

Off / On (4 Zone)

Electronic Image Stabilization (EIS)

N/A

Smart IR

Support

Defog

N/A

Digital Zoom

16x

Flip

0°/90°/180°/270°

Mirror

Off / On

Privacy Masking

Off / On (4 Area, Rectangle)

Audio

Compression

G.711a/ G.711Mu/ AAC/ G.726

Network

Ethernet

RJ-45 (10/100Base-T)

Protocol

HTTP;HTTPs;TCP;ARP;RTSP;RTP;UDP;RTCP;SMTP;

FTP;DHCP;DNS;DDNS;PPPOE;IPv4/v6;QoS;UPnP;

NTP;Bonjour;IEEE 802.1x;Multicast;ICMP;IGMP;SNMP;TLS

Interoperability

ONVIF, PSIA, CGI

Streaming Method

Unicast / Multicast

Max. User Access

10 Users /20 Users

Edge Storage

NAS

Local PC for instant recording

Mirco SD card 128GB

Web Viewer

IE, Chrome, Firefox, Safari

Management Software

Smart PSS, DSS, Easy4ip

Smart Phone

IOS, Android

Certifications

Certifications

CE (EN 60950:2000)

UL:UL60950-1

FCC: FCC Part 15 Subpart B

Interface

Video Interface

N/A

Audio Interface

1/1 channel In/Out

RS485

N/A

Alarm

1 channel In: 5mA 5VDC

1 channel Out: 300mA 12VDC

Electrical

Power Supply

DC12V, PoE (802.3af)(Class 0)

Power Consumption

<11W

Environmental

Operating Conditions

-30° C ~ +60° C (-22° F ~ +140° F) / Less than 95% RH

Strorage Conditions

-30° C ~ +60° C (-22° F ~ +140° F) / Less than 95% RH

Ingress Protection

IP67

Vandal Resistance

IK10

Construction

Casing

Metal

Dimensions

244.1mm×79mm×75.9mm (9.61”×3.11”×2.99”)

Net Weight

0.815kg (1.80lb)

Gross Weight

1.08kg (2.38lb)

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Dahua IP Camera 8MP IPC-HFW4831T-ASE PDF

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