SKU: 99493422143

DAHUA IPC-HDW2431T-AS-S2 4MP Lite IR Fixed-focal Eyeball Network Camera

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Description

DAHUA IPC-HDW2431T-AS-S2 4MP Lite IR Fixed-focal Eyeball Network CameraIPC HDW2431T AS S2 > 4MP, 1 3 CMOS image sensor, low illuminance, high image definition > Outputs 4MP (2560 1440)@25 30 fps, Max. supports 4MP (2688 1520) @ 20 fps > H. 265 coding, high compression ration, low bit rate > Built in IR LED, max IR distance: 30 m > ROI, SMART H. 264+ H. 265+, flexible coding, applicable to various bandwidth and storage environments > Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various

IPC-HDW2431T-AS-S2

> 4MP, 1/3” CMOS image sensor, low illuminance, high image definition

> Outputs 4MP (2560 × 1440)@25/30 fps, Max. supports 4MP (2688 × 1520) @ 20 fps

> H.265 coding, high compression ration, low bit rate

> Built-in IR LED, max IR distance: 30 m

> ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments

> Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes

> Intelligent detection: Intrusion, tripwire

> Abnormality detection: Motion detection, video tampering,no SD card, SD card full, SD card error, network disconnected, IP conflict, illegal access, voltage detection

> Max. 256 GB SD card and built-in Mic

> 12V DC/POE power supply

> IP67 protection

Product Data

Camera

Image Sensor

1/3” 4Megapixel progressive CMOS

Max. Resolution

2688 (H) × 1520 (V)

ROM

128 MB

RAM

128 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100000 s

Min. Illumination

0.008 Lux @ F1.6

S/N Ratio

>56 dB

Illumination Distance

30 m (98.43 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

2 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°
Tilt: 0°–78°
Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Mount Type

M12

Focal Length

2.8 mm
3.6 mm

Max. Aperture

F1.6
F1.6

Field of View

2.8 mm:
Horizontal 102.0° × Vertical 55.0° × Diagonal 121.0°

3.6 mm :
Horizontal 84.0° × Vertical 45.0° × Diagonal 100.0°

Iris Type

Fixed

Close Focus Distance

2.8 mm: 0.9 m (2.95 ft)
3.6 mm: 1.6 m (3.61 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

56 m (183.73 ft)

22.4 m

(73.49 ft)

11.2 m

(36.75 ft)

5.6 m

(18.37 ft)

3.6 mm

80 m (262.47 ft)

32.0 m (104.99 ft)

16.0 m

(52.49 ft)

8.0 m

(26.25 ft)

Smart event

IVS

Tripwire; intrusion

Video

Video Compression

H.265; H.264; H.264B; MJPEG(only supported

by sub stream)

Smart Codec

Smart H.265+/ Smart H.264+

Video Frame Rate

Main stream:

2688 × 1520 (1 fps-20 fps)

2560 × 1440 (1 fps-25/30 fps)

Sub stream:

704 × 576 (1 fps-25 fps)

704 × 480 (1 fps-30 fps)

Stream Capability

2 streams

Resolution

2688 × 1520 (2688 × 1520); 2560 × 1440 (2560 × 1440); 2304 × 1296 (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)

Bit Rate Control

CBR/VBR

Video Bit Rate

H.264: 32 kbps–6144 kbps
H.265: 12 kbps–6144 kbps

Day/Night

Auto(ICR)/Color/B/W

BLC

Yes

HLC

Yes

WDR

120 dB

White Balance

Auto/natural/street lamp/outdoor/manual/regional custom

Gain Control

Auto/Manual

Noise Reduction

3D NR

Motion Detection

Disable/Enable (4 areas, rectangle)

Region of Interest(RoI)

Yes (4 areas)

Smart Illumination

Yes

Image Rotation

0°/90°/180°/270° (Supports 90°/270° with 2688 × 1520 resolution.)

Mirror

Yes

Privacy Masking

4 areas

Audio

Built-in MIC

Yes

Audio Compression

G.711A; G.711Mu; G.726

Alarm

Alarm Event

No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; voltage detection; security exception

Network

Network

RJ-45 (10/100 Base-T)

SDK and API

Yes

Cyber Security

Video encryption; firmware encryption; configuration encryption; Digest; WSSE; account lockout; security logs; IP/MAC filtering; generation and importing of X.509 certification; syslog; HTTPS; 802.1x; trusted boot; trusted execution; trusted upgrade

Protocol

IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP ; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; Bonjour

Interoperability

ONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec

User/Host

20

Storage

FTP; Micro SD card (support max. 256 G); NAS; SFTP

Browser

IE
Google
Firefox

Management Software

Smart PSS; DSS; DMSS

Mobile Phone

IOS; Android

Certification

Certifications

CE-LVD: EN62368-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07

Power

Power Supply

12V DC/PoE

Power Consumption

Basic power consumption: 2.1W (12V DC), 2.5W (POE)

Max power consumption (H.265, Max resolution, Max stream, WDR, IR full intensity, IVS): 5.7W (12V DC), 6.6W (POE)

Environment

Operating Temperature

-40°C to +60°C (-40°F to +140°F)

Operating Humidity

≤95%

Storage Temperature

-40°C to +60°C (-40°F to +140°F)

Storage Humidity

≤95%

Protection

IP67

Structure

Casing

Metal + Plastic

Dimensions

100.9 mm × Φ109.9 mm (3.97" × Φ4.33")

Net Weight

0.39 kg (0.86 lb)

Gross Weight

0.52 kg (1.15 lb)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99493422143

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4.2 ★★★★★
Based on 5 reviews
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Product Reviews
J
Verified Purchase
Joann
Lowell, US
★★★★★ 4
There’s room for improvement
These heel support socks are quite comfortable to wear, the cotton blend fabric is soft and breathable. The built-in gel continuously moisturizes the heels, and the effect is more noticeable than applying lotion alone. I usually soak my feet in warm water before bed, apply lotion, and then use these socks. The elasticity is just right, and they don't constrict my feet. If the gel coverage area were a bit larger, the protection would be more comprehensive. Overall, they offer good value for money and are a practical foot care item.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
K
Verified Purchase
KC
Carnegie, US
★★★★★ 5
They worked
I got these for my elbows because I think I might have eczema on my elbow. They work very well. However I do wish they were a little looser. As far as putting them on your heels, the fit works well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
C
Verified Purchase
CatDeLuna
Louisville, US
★★★★★ 5
Good Results
I have always struggled with dry, cracked heels, but I’ve finally found a solution that keeps them consistently hydrated: these special socks with a moisturizing silicone lining on the heels. My heels now feel incredibly soft, but it’s important to note that consistency is key. Wearing these socks every night before bed has made a significant difference. It’s not enough to just wear them once and expect results; you have to be diligent and make it a part of your nightly routine. After a few weeks of nightly use, my heels are much softer and no longer cracked. What I love about these socks is how easy they are to use. Just slip them on before going to sleep, and the silicone lining does its magic overnight. By morning, my heels feel smooth and well-moisturized. For anyone struggling with dry heels, I highly recommend these socks. Remember, the secret is consistency. Stick with it, and you’ll see the difference!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 28, 2024
D
Verified Purchase
Deb L
Waukegan, US
★★★★★ 5
So comfortable!
These work great and very comfortable. I put these on with heel moisturizer cream at bed time. Heels were improved overnight. They are washable too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
M
Verified Purchase
me
Massapequa, US
★★★★★ 3
Just aren’t large enough.
This is a great idea, and I can wear socks over them and not notice they are there. I just wish they came in a larger size. When I put cream around the edges of my heels where the cracks always are, I cannot stretch the socks wide enough to clear the heel without smearing the cream onto my fingers or on the sock cuff. They do stay in place and aren't squishy at all when walking. They smell good too. The price is right. I wore them overnight and my heels were indeed much softer and smoother than before, and felt moist (tacky) where the cream had been. So they do an amazing job, but after using them six nights, they just aren’t large enough for me to put on without a hassle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2024

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