Dahua 4K 8MP 4CH Starlight MIC Security Camera System HDW2831TM-AS-S2 2.8mm Lot

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Dahua 4K 8MP 4CH Starlight MIC Security Camera System HDW2831TM-AS-S2 2.8mm Lot

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Dahua 4K 8MP 4CH Starlight MIC Security Camera System HDW2831TM-AS-S2 2.8mm Lot

Dahua 4K 8MP 4CH Starlight MIC Security Camera System HDW2831TM-AS-S2 2.8mm Lot

> Package will ship within 1 working day.

> Warranty: 3 Years!

> 24H Professional Technical Support!

> This is Hikvision and DH Direct Agent! if you need Large quantity please contact us to get best price !


> Dahua APP : iDmss( iOS), gDmss( Android), Smartpass

> Search Tool:Config Tool (search device and change IP address if needed)

> Default IP192.168.1.108

>This cctv system 100% Dahua original ,all camera and NVR support upgrade firmware !

Product Features 

NVR2104HS-P-4KS2 4 Channel Compact 1U 1HDD 4PoE Lite 4K H.265 Network Video Recorder  

> Smart H.265+/Smart H.264+/H.265/H.264

> Max 80Mbps incoming bandwidth

> Up to 8Mp resolution preview&playback

> Up to 1ch@8MP/4ch@1080P decoding

> HDMI/VGA simultaneous video output

> Support IPC UPnP, 4PoE ports

IPC-HDW2831TM-AS-S2 8MP Lite Built-in MIC IR Fixed-focal Eyeball Network Camera 

> 8MP, 1/2.7″ CMOS image sensor, low illuminance, high image definition

> Outputs max. 8MP (3840 × 2160) -15 fps, and supports 2688×1520 -25/30 fps

> H.265 codec, high compression rate, ultra-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 DNR, 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

disconnection, IP conflict, illegal access, voltage detection

> Supports max. 256 GB Micro SD card, built-in MIC

> 12V DC/PoE power support

> IP67 protection

Product Specifications



Main Processor

Dual-core embedded processor

Operating System

Embedded LINUX

Audio and Video

IP Camera Input

4 Channel

Two-way Talk

1 Channel Input, 1 Channel Output, RCA





HDMI: 3840×2160, 1920×1080, 1280×1024, 1280×720

VGA: 1920×1080, 1280×1024, 1280×720

Decoding Capacity

1ch@8MP 30fps, 4ch@1080P 30fps

Multi-screen Display



Camera title, Time, Camera lock, Motion detection, Recording



Smart H.265+/H.265/Smart H.264+/H.264



Record Rate


Bit Rate

16Kbps ~ 20Mbps Per Channel

Record Mode

Manual, Schedule (Continuous, MD (Motion Detection), Alarm, IVS)

Record Interval

1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec

Video Detection and Alarm

Trigger Events

Recording, PTZ, Tour, Video Push, Snapshot, and Screen Tips

Video Detection

Motion Detection, MD Zones: 396 (22 × 18),

and Tampering

Alarm input


Relay Output


Playback and Backup

Sync Playback


Search Mode

Time /Date, MD and Exact Search

(accurate to second)

Playback Function

Play, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Shuffle, Backup Selection, Digital Zoom

Backup Mode

USB Device/Network

Third-party Support

Third-party Support

On vif, RTSP



1 RJ-45 port (10/100Mbps)


4 ports (IEEE802.3at/af)

Network Function

HTTP/HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP, DHCP, DNS, IP Filter, DDNS, IP Search(Support Dahua IP camera, DVR, NVS and etc.), P2P                       

Optical Fiber Interface


Max. User Access

128 users

Smart Phone

iPhone, iPad, Android




Internal HDD

1 SATA III port, up to 10 TB for a single HDD. The maximum HDD capacity varies with environment temperature

HDD Mode




Auxiliary Interface


2 ports (1 Rear USB2.0, 1 Front USB2.0)






Power Supply

Single, DC48V/1.25A

Power Consumption

NVR: <5.3W (without HDD)

PoE: Max 25.5w for single port, 50w in total


Operating Conditions

-10°C to +55°C (+14°F to +131°F), 86–106kpa

Storage Conditions

0°C to +40°C (+32°F to +104°F), 30–85% RH



Compact 1U, 260 mm × 224.9 mm × 47.6 mm

(10.2″ × 8.9″ × 1.9″)

Net Weight

0.8 kg (1.76 lb) (without HDD)

Gross Weight

1.6 kg (3.53 lb) (without HDD)



EN55032, EN55024, EN50130-4, EN60950-1


Part 15 Subpart B, ANSI C63.4-2014




Image Sensor:1/2.7” 8Megapixel progressive CMOS
Effective Pixels:3840 (H) ×2160 (V)
ROM:128 MB
RAM:256 MB
Scanning System:Progressive
Electronic Shutter Speed:Auto/Manual 1/3 s-1/100,000 s
Min. Illumination:0.009 Lux@F2.0
IR Distance:30 m (98.43 ft)
IR On/Off Control:Auto/Manual
IR LEDs Number:2
Pan/Tilt/Rotation Range:Pan: 0°-360°
Tilt: 0°-78°
Rotation: 0°-360°
Lens Type:Fixed-focal
Mount Type:M12
Focal Length:2.8 mm
3.6 mm
Max. Aperture:F2.0
Field of View:2.8 mm: Pan 105° × Tilt 56° × Diagonal 125°
3.6 mm: Pan 87° × Tilt 47° × Diagonal 104°
Iris Type:Fixed
Close Focus Distance:2.8 mm: 1.0 m (3.3 ft)
3.6 mm: 1.9 m (6.2 ft)
3.Smart event: 
General IVS Analytics:Tripwire; intrusion
Video Compression:H.265; H.264; H.264B; MJPEG
Smart Codec:Yes
Video Frame Rate:Main stream:
3840 × 2160 (1 fps-15 fps)
2688 × 1520 (1 fps-25/30 fps)
Sub stream:
704 × 576 (1 fps-25 fps)
704 × 480 (1 fps-30 fps)
Stream Capability:2 streams
Resolution:3840 × 2160 (3840 × 2160); 3072 × 2048 (3072 × 2048); 3072 ×1728 (3072 × 1728); 2592 × 1944 (2592 × 1944); 2688 × 1520 (2688 × 1520); 3M (2048 × 1536); 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-8192 Kbps
H.265: 12 Kbps-8192 Kbps
WDR:120 dB
White Balance:Auto/natural/street lamp/outdoor/manual/regional custom
Gain Control:Auto/Manual
Noise Reduction:3D DNR
Motion Detection:OFF/ON (4 areas, rectangular)
Region of Interest(RoI):Yes (4 areas)
Smart IR:Yes
Image Rotation:0°/90°/180°/270° (Supports 90°/270° with 2688 × 1520 resolution and lower.)
Privacy Masking:4 areas
Built-in MIC:Yes
Audio Compression:G.711A; G.711Mu; G.726; AAC
Network:RJ-45 (10/100 Base-T)
Protocol:IPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP ; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; 802.1x; Bonjour
Interoperability:ONVIF(Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec
Edge Storage:Cloud; FTP; SFTP; Micro SD Card (support max. 256 GB); NAS
Management Software:Smart PSS; DSS; DMSS
Mobile Phone:IOS; Android
Certifications:CE-LVD: EN60950-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
Power Supply:12V DC/PoE (802.3af)
Power Consumption:< 7.2W
Operating Conditions:-40°C to +55°C (-40°F to +131°F)/less than ≤ 95% RH
Storage Temperature:-40°C to +60°C (-40°F to +140°F)
Dimensions:100.9 mm × Φ109.9 mm (3.97″ × Φ4.33″)
Net Weight:0.48 kg (1.1 lb)
Gross Weight:0.65 kg (1.4 lb)

Photos show :




                          Super HD 8-Megapixel High Resolution

As one of the best home/business security systems, DH NVR security system records real-time videos on all channels at 8MP high

resolution, much clearer than 5MP&1080P, All cameras provide incredibly bright and sharp images in real color, which enables you

to see all objects very clearly.

                                           Audio Record Camera

Built-in microphone records what people say, make it authentic with sound video recording

IP67 Weatherproof Outdoor IP Camera

Metal housing shell IP67 weatherproof security cameras, widely used for indoor & outdoor.

Camera Working Temperature: -25℃ ~ 50℃ ( – 13 ℉ ~ 122 )

Motion Detection & Email Alert

By setting multi motion detection area, instant alert email will be pushed to you once the the abnormal cativites

is detected by the camera.You can get information in the video area anywhere and anytime. It’s never late to

take defensive measures in advance.

Smart IR-Cut Night Vision

The smart IR-Cut filter switches automatically between day and night to reduce color cast in day time and enhance image

brightness at night making sure you can get vivid surveillance footage from dawn to dark .

Video With Smart Playback

Smart playback available with customizable searching area, playback time is greatly reduced by speeding through

unimportant videos



5- POE plug

Cutting-Edge H.265 Video Compression

The H.265 coding standard enables you to record up to 4 times longer than H.264 with the same HDD. At the same bandwidth,

it not only clearer and smoother video transmits,but also saves more disk storage space,thus saves a large amount of money for you.

Support P2P

View live video of the system from anywhere and anytime via you smarphone, table or PC with advanced P2P

technology .

you are able to remote access your system in minutes or less, no portforwarding needed, remote

access has never been so easy!!!

You can install it in there place


Dahua 4K 8MP 4CH Starlight MIC Security Camera System HDW2831TM-AS-S2 2.8mm Lot

Tips To Buying A Home Security Camera System

A house safety camera or series of cameras can be a great addition to a currently effective house safety system. A house safety camera is used for a variety of purposes. The main objective is to act as a visual deterrent to could be burglars. In most instances, getting a home safety camera or several cameras installed on your property is most likely to discourage a possible burglar. For many property owners convincing them a home security camera would be advantageous isn’t the problem. The problem is convincing them that purchasing a security camera isn’t as overwhelming because it appears. This short article will offer suggestions for selecting the right home security camera for the requirements.

One of the initial elements of a home security camera to consider is whether or not you will use a wireless home safety method or 1 that requires connection to an energy source. There are many safety camera choices which are wireless. This means the camera doesn't need to become connected to an external power provide and there's no need for wires. Nevertheless, the camera nonetheless demands a source of energy which is often an internal battery. A wireless house safety camera might be easier to set up because there's no wiring but it may be more hard to maintain because the batteries might need to become replaced or recharged frequently.

The place of one's house safety camera ought to also be regarded as prior to you make your buy. In most cases, a house security camera is installed outdoors. This demands a number of considerations. Protection of your camera from the weather elements is extremely important. You should choose a home safety camera that is developed to function well in your environment. You should also consider where you want to install the camera. To successfully deter a burglar, the house safety camera ought to be installed in location of high visibility simply because burglars won't be deterred if they don't see the house safety camera. This may impact your purchase because you'll wish to select a home security camera that will be easily installed within the desired location.

Finally, you need to decide how you wish to record the images out of your house safety camera. The recordings from your house safety camera may be recorded in a selection of methods including on hard disk drives, cloud storage or on your pc. You should figure out which technique you would like to use before purchasing a house safety camera to make sure the camera you select is compatible with your technique of recording.

There are many choices available for all those who want to purchase a house security camera. All of these options can seem overwhelming and may intimidate some homeowners from making a buy. It is essential to keep in mind that careful research will make the buy of a house security camera a much easier process.

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