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VIOFO A129 Pro Duo 4K Dual Dash Cam 3840 x 2160P Ultra HD 4K Front and 1080P Rear Car WiFi Dash Camera 8MP Sensor GPS, Buffered Parking Mode, G-Sensor, Motion Detection, WDR, Loop Recording

4.1 4.1 out of 5 stars 2,604 ratings

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About this item

  • Ultra HD Real 4K Dual Channel Dash Cam: Adopt top quality 8MP IMX317 Sensor on front camera and IMX 291 sensor on rear camera, this dual dash cam captures super clear view at Ultra HD 4K 3840 * 2160 @30fps + 1920 * 1080P @30fps at the same time. 4K resolution offer amazing video quality, four time higher than a regular Full HD recording. Help you read most details from street signs, license plate etc. Give you peace of mind when you're driving.
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$14.99
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Product Description

1-电脑端
03-电脑端
2-电脑端
6-1

GPS Logger

With the GPS, you can record your speed and route data in your video footage files. The GPS will also synchronize the Cam's clock with the GPS time.

6-2

WDR Function

Enhanced with WDR technology, your driving view can be perfectly restored from both front and rear in poor lighting conditions at night.

6-3

Supercapacitor

A supercapacitor ensures a longer lifetime. This dash cam has excellent performance from 5℉ to 149℉ in extreme hot summer and cold winter.

6-4

Easy Installation

Discreet design makes the camera perfectly hidden in the rearview mirror. The included static stickers make it easy to install and remove the camera.

VIOFO DASHCAMS

A129PRO

A129 Pro Duo

A229PRO

A229 Pro 2CH

229plus

A229 Plus 2CH

A119Mini 2

A119 MINI 2

A139PRO

A139 Pro 2CH

Camera Type
Front + Rear Front + Rear Front + Rear Front Front + Rear
Resolution
4K 2160P 30fps + 1080P 30fps 4K+2K, 2160P+1440P@30fps 2K+2K, 1440P+1440P@30fps 2K 1440P 60fps 4K 2160P 30fps + 1080P 30fps
Image Sensor
Sony IMX317 Sony STARVIS 2 IMX678 + IMX675 Sony STARVIS 2 IMX675 + IMX675 Sony STARVIS 2 IMX675 Sony STARVIS 2 IMX678
Wi-Fi
5GHz / 2.4GHz 5GHz / 2.4GHz 5GHz / 2.4GHz 5GHz / 2.4GHz 5GHz / 2.4GHz
Display Screen
2.0" LCD 2.4" LCD 2.4" LCD 1.5" LCD No Screen
Optional HardWire Kit
HK3 HK4 HK4 HK4 HK3-C
GPS Logger
Voice Notification
Circular Polarizing Lens
Voice Control

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VIOFO A129 Pro Duo 4K Dual Dash Cam 3840 x 2160P Ultra HD 4K Front and 1080P Rear Car WiFi Dash Camera 8MP Sensor GPS, Buffered Parking Mode, G-Sensor, Motion Detection, WDR, Loop Recording
VIOFO A129 Pro Duo 4K Dual Dash Cam 3840 x 2160P Ultra HD 4K Front and 1080P Rear Car WiFi Dash Camera 8MP Sensor GPS, Buffered Parking Mode, G-Sensor, Motion Detection, WDR, Loop Recording
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Price-8% $229.99
List:$249.89
$139.90$139.99-7% $354.00
List:$379.99
$259.99$95.00
Delivery
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Customer Ratings
Picture quality
4.1
4.5
4.2
4.6
4.3
Value for money
4.1
4.1
3.6
4.2
5.0
Night vision
3.7
3.8
3.9
4.2
4.1
Camera quality
3.9
4.3
4.5
4.1
Sold By
OCD Tronic
Capture Your Action
VIOFO LTD
VIOFO LTD
VANTRUE
VSYSTO-Dash-Cam
display type
LCD
LCD
LCD
LCD
LCD
LCD
video resolution
1080p
1440p
2K: 2560x1440P; 2592x1944P
Front 2160P, Rear 1440P
2160p, 1440p
1080p
mounting type
Adhesive installation
adhesive mount
3M Sticker & Static Windshield Stickers
Windshield Mount
Suction Mount
auto part position
front center, rear center
front
front
rear
rear
front
control method
application
application
application
application, remote
remote
real angle of view
140 degrees
140 degrees
140 degrees
155 degrees
170 degrees
batteries included

Product guides and documents

What's in the box

  • Front Camera x 1, Rear Camera x1, Rear Camera Cable (6M) x1, Car charger x1, Mini USB Cable x1, GPS Module (Base) x1, Edge Removal Tool x1, 3M Sticker x 4 , Static Stickers x1
  • Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

    Feedback

    VIOFO A129 Pro Duo 4K Dual Dash Cam 3840 x 2160P Ultra HD 4K Front and 1080P Rear Car WiFi Dash Camera 8MP Sensor GPS, Buffered Parking Mode, G-Sensor, Motion Detection, WDR, Loop Recording


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    Customer reviews

    4.1 out of 5 stars
    4.1 out of 5
    2,604 global ratings

    Customers say

    Customers like the quality and ease of installation of the onboard camera. They mention that it records nice crisp clear video, has fantastic quality footage, and is easy to install. They are also happy with the camera quality and night vision. However, some customers are disappointed with connectivity and temperature. Customers also have mixed opinions on performance, quality, and value.

    AI-generated from the text of customer reviews

    172 customers mention148 positive24 negative

    Customers like the video quality of the onboard camera. They say it is easy to install, and records nice crisp clear video. The camera performance, with its 4K and 1080P resolution, built-in 5GHz WiFi, and GPS, produces fantastic quality footage.

    "...2. DAY, FRONT Video quality is GREAT - at least in daylight (I will update this review over time).3. It is easy to install4...." Read more

    "...It has better image quality than any other 4k dashcam. It has parking monitoring, GPS data, movement sensors, and all sorts of good stuff...." Read more

    "...4k laptop and cross checked on my Samsung 4k monitor, and the resolution is very crisp, and quite frankly amazing...." Read more

    "...4K resolution for the front camera - The footage looks great and it’s easy to make out details like license plate numbers compared to lower..." Read more

    133 customers mention111 positive22 negative

    Customers like the quality of the onboard camera. They mention that the front and rear cameras are great, with good night vision. Some customers also say that the 3 channel support and the high quality sensors make the camera a great choice for daily driving.

    "...the front and rear cameras? * 3 channel support * higher quality sensors both front and rear <---<< * flip screen or..." Read more

    "So I did my little research, and apparently, this is the best dashcam you can get. It has better image quality than any other 4k dashcam...." Read more

    "Overall this has been a great dash cam. The image quality is great...." Read more

    "Great Dashcam for the daily drive and everything else." Read more

    127 customers mention100 positive27 negative

    Customers find the installation of the onboard camera to be easy. They mention that the camera is easy to mount and position the lenses, and the kit comes with a tool to help install the wiring. Some appreciate that the kit also comes with additional items to help you install, such as the plastic wedge.

    "...3. It is easy to install4. I like that there is a prewiring kit and a customizable parking mode (again, I will update this over time)5...." Read more

    "...The kit also includes a tool to help install the wiring, which is real nice if you haven’t done it before...." Read more

    "...phone - The front camera does have a screen on it that is convenient for the initial setup of the camera to make sure you have the front and rear..." Read more

    "...I right away found it was a real pain to hook up and download video to the phone, it is the only way to see anything, other then downloading to..." Read more

    242 customers mention100 positive142 negative

    Customers are mixed about the performance of the onboard camera. Some mention that it works great in a new Porsche Cayenne and ensures excellent performance of this product from extreme hot summer, while others say that it stopped working for no reason in 2023, had a gun pulled on them, and it would not even play back.

    "...I am disappointed with the features that don't work well, and would probably explore other brands/models to see if there's anything out there that..." Read more

    "...I am pleased to report that the wifi features work on the replacement camera. I am happy with the unit so far...." Read more

    "...On my PC, it wouldn't even play back...." Read more

    "...Now it starts recording automatically and it performs the parking monitoring perfectly. So there wasn't anything wrong with the dashcam...." Read more

    218 customers mention72 positive146 negative

    Customers are mixed about the quality of the onboard camera. Some mention that it's well-made, with good picture clarity and ruggedness. However, others say that the camera stopped recording.

    "...License tags of oncoming and following cars unreadable. Rear camera underexposed, difficult to make out detail on rural roads, cannot read following..." Read more

    "...The wiring with this camera is thick (heavy duty), and holds it’s shape well, which makes it real easy to install...." Read more

    "...It couldn't automatically start recording with the car. It couldn't perform any parking monitoring even if I turned on the settings in the app...." Read more

    "...Yes I said WiFi, yes, the app is trash and crashes from time to time...." Read more

    80 customers mention48 positive32 negative

    Customers are mixed about the value of the onboard camera. Some mention that it's worth the price tag, while others say that it is a waste of money.

    "...The price is about the best you will find for a 4K camera that records front and back (1080 in the back). I am undecided if I would purchase again...." Read more

    "...I do think, though, that this camera is a bit overpriced due to the wiring issue, the image quality could be a bit better and how the app is glitchy." Read more

    "...Small complaint for an otherwise great dash cam for the price." Read more

    "...personal preference, and your budget, but for me, 4K is well worth the difference in price...." Read more

    82 customers mention16 positive66 negative

    Customers have connectivity issues with the onboard camera. They mention that the WiFi connectivity works for 1 day and then just locks up when attempted again. The Android app often has intermittent connectivity issues, and the WiFi feature is bad. The parking connection kit has failed twice.

    "...40, and 5GHz forced to channel 36, and forced to 161; the SSID is never broadcast. As the MAC is not listed on the device (SHAME ON YOU, VIOFO!),..." Read more

    "...The camera reaches high temperatures and results on video to be lost (not record). It will heat up bad to the point it burns you if you touch it...." Read more

    "...This was not an option on my Mac, though, since it intermittently didn't recognize the camera, so there's that...." Read more

    "...Dedicated Mute button, dedicated wifi, dedicated "lock footage" button are all very welcome...." Read more

    80 customers mention6 positive74 negative

    Customers have negative things to say about the temperature of the onboard camera. They mention that it overheats, performs poorly in 90F+ weather, and randomly shuts off. The app will also crash when you try to connect to it.

    "...mode run overnight and retrieved it in the morning, the camera was so hot it felt scalding - it hadn't been in the sun yet and the car interior was..." Read more

    "...Yes I said WiFi, yes, the app is trash and crashes from time to time...." Read more

    "...if you put the camera resolution into 1080 x 1080 mode, the app will crash immediately when you try to connect to it...." Read more

    "...The camera reaches high temperatures and results on video to be lost (not record). It will heat up bad to the point it burns you if you touch it...." Read more

    Tried several dash cams and this one is my pick!
    5 Stars
    Tried several dash cams and this one is my pick!
    After trying several different dash cams I decided to keep this one because it checks all the boxes for the features I was looking for.- 4K resolution for the front camera - The footage looks great and it’s easy to make out details like license plate numbers compared to lower resolution 1080/HD cameras.
- Separate rear camera that is powered by the front camera - I wanted a rear camera both to capture what’s going behind me (in case somebody rear ends me, etc.) and also to provide even wider coverage while the car is parked. I didn’t want to have to run separate power cables for the rear camera. With this setup there is just a single USB cable that runs from the front camera to the rear camera to provide power and also receive the video signal from the rear camera.
- Parking mode that will start recording when motion is detected while parked - I like the security that parking mode provides in case you come back to your car and something uncool has happened while you were parked. Some cameras either don’t have this option or have it but will only record when the camera detects an actual impact to the car. The Viofo camera allows you to select from several trigger events including impact, motion detection, even constant recording at a lower frame rate (such as 1 frame per second constant recording). I have mine set on motion detection and it works great. Anytime any motion is detected within the frame the camera will start recording.
- Easy review and transfer of video on cell phone - The front camera does have a screen on it that is convenient for the initial setup of the camera to make sure you have the front and rear cameras positioned in a way that gives the view you want. You can also review the recorded video on the screen, but it’s a lot easier to simply connect your phone to the camera via wifi and review the clips on your phone screen. You can also easily save the clips to your phone so you don’t really ever need to remove the memory card from the camera. The app on the phone can also be used to change all the various configuration settings in a much easier interface than what you’ll find on the camera screen. As a bonus you can quickly turn the camera wifi on and off with a physical button on the camera. I simply leave the wifi off and only turn it on when I need it.
- Hardwiring kit that will cut off the camera power if needed to prevent car battery from getting too low - The hardwiring kit is NOT included, but you can pick it up on Amazon at a decent price. The kit includes a little interface box that allows you to select between 4 different voltage cutoff settings so you won’t come back to a dead battery from your camera recording in parking mode. 
- Design that allows mounting without obstructing the view out the windshield - Some of the other cameras I tried used more of a “landscape” orientation with a wide camera body and the lens on one side. When I put these cameras behind my rearview mirror they tended to stick out just enough that I could see them in my field of view while driving. The Viofo camera uses a “portrait” layout where the camera body is taller rather than wider. The lens is at the bottom of the body so you can stick the camera at almost the very top edge of your windshield. I have mine positioned so the camera mounting tape is actually attached to the black dot area at the top of the windshield with just the lens section protruding down into the clear glass area. The entire camera fits behind my rear view mirror and is completely out of view while I’m driving. This also gives the camera a factory look from outside the car and doesn’t look like some aftermarket item is just stuck on the windshield in the middle of the clear area. 
PRO TIP: Make sure that you mount the camera so it is within the swiping path of your windshield wipers, otherwise you won’t get anything on video if it’s raining.In the box you get the front and rear cameras, a power cable with cigarette lighter/12 volt socket adapter (you won’t use this if you buy the hardwiring kit), the cable to connect the two cameras together, a mini USB to USB-A cable you can use to connect the camera to your computer (you likely won’t use this either), some stick on clips you can use to route the wiring, a small pry tool that might come in handy when routing the cables in your car, some extra mounting tape pads, and a microSD card adapter for your computer.Things you’ll need that aren’t included:
- MicroSD card - You’ll need this to use the camera. A high endurance one is recommended since those cards are designed to be constantly overwritten as happens with dash cams.
- Viofo hardwiring kit - You don’t absolutely need this, but without it you won’t be able to use parking mode and your installation will likely look like amateur hour. I consider this a necessity.
- Add a circuit / fuse taps - You’ll need two of these to go along with the hardwiring kit. Just get the kind that use whatever fuse type your car uses. You’ll connect one to a constant power source in the fuse box and the other to a switched power source in the fuse box.Overall highly recommended setup. Does everything more expensive setups do and actually does some things better.
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    Top reviews from the United States

    Reviewed in the United States on September 12, 2021
    108 people found this helpful
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    Reviewed in the United States on April 4, 2021
    25 people found this helpful
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    Reviewed in the United States on August 22, 2020
    59 people found this helpful
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    Top reviews from other countries

    Needcooling
    5.0 out of 5 stars It's good and bad?
    Reviewed in Canada on October 15, 2022
    29 people found this helpful
    Report
    indranil
    5.0 out of 5 stars Works very well
    Reviewed in India on September 24, 2023
    One person found this helpful
    Report
    Quinton L.
    5.0 out of 5 stars The best 4K dashcam in the market
    Reviewed in Australia on March 8, 2022
    Customer image
    Quinton L.
    5.0 out of 5 stars The best 4K dashcam in the market
    Reviewed in Australia on March 8, 2022
    I have been using my GoPro Hero 8 as my dashcam for many years, however, it gets too hot and turn itself off many times during the summer. Then I decided to get a solid and reasonable price dashcam instead. I have reviewed several dashcams online, and finally decided to get VIOFO 4k Duo from Amazon. First, it's under my budget of $300 (honestly I don't think $800 BV is worth it) Secondly, it's 4K and the quality is one of the best after few reviews over the years. Third the App is easy to use and there are lots of tutorial video online about this one, it's easy to learn and easy to operate. However, I quoted a price for dashcam installation in my Ford Ranger, the bodyshop I used to visit, asks for $300 for the whole process. After viewing several DIY videos on YouTube, I decided to do it myself. The good thing about Ford Ranger, it has a USB slot right behind the rear mirror, I could connect the dashcam using a short power cable, which is the same type of GoPro Hero 4. It only took about one-hour and I saved $300 easily! I tested it several times, the video quality is really good, especially under 4K, I could save the video directly from my iPhone and edit the video on the phone. I would say it's a really good deal if you are thinking about the protect your valuable car and win the claim after the accident. I would recommend it to others.

    Please note, don't hide your cable near the airbags as I shown in one of the pictures. I accident did it first and one mechanic told me that it would create more damage to the driver when the airbag pops out. So always hide the cable through the bottom section of the door frame.
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    22 people found this helpful
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    Shaan Kalwani
    5.0 out of 5 stars Parking mode!
    Reviewed in Singapore on January 21, 2021
    Mathias Kurt Schede
    5.0 out of 5 stars 2021 it is still one of the best
    Reviewed in Canada on October 22, 2021
    6 people found this helpful
    Report