Brand | Biuone |
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Manufacturer | Biuone |
Place of Business | JIUJIANG, JIANGXI 332200,CN |
Model | A20 |
Part Number | 1 |
Special features | Loop Recording, G-Sensor, Night Vision |
Mounting Hardware | Crowbar, User Manual, Suction Cup |
Standing screen display size | 3 |
Display type | LCD |
Video capture resolution | 1080p, 480p |
Batteries included | Yes |
Batteries Required | Yes |
Battery Cell Composition | Lithium Polymer |
Connector Type | USB |
Compatible media type | MOV |
Mounting type | Suction Mount |
Actual viewing angle | 170 Degrees |
Includes rechargable battery | Yes |
Manufacturer | Biuone |
Item model number | A20 |
Product Dimensions | 9 x 5 x 1.3 cm; 32 Grams |
ASIN | B086ML686Q |
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Dash Camera for Cars, Super Night Vision Dash Cam Front and Rear with 32G SD Card, 1080P FHD DVR Car Dashboard Camera with G-Sensor, WDR, Parking Monitor, Loop Recording, Motion Detection 【2021 New】
Purchase options and add-ons
Brand | Biuone |
Orientation | Front and Rear |
Vehicle service type | Car |
Connectivity technology | USB |
Special feature | Loop Recording, G-Sensor, Night Vision |
Video capture resolution | 1080p, 480p |
Included components | Crowbar, User Manual, Suction Cup |
Mounting type | Suction Mount |
Product Dimensions | 5D x 9W x 1.3H Centimetres |
Item weight | 0.07 Pounds |
About this item
- 🛍️【1080P Full HD Dash Cams with USB Port】Car camera charger with USB port , no worry about the charging problems of mobile phones/mobile electronic devices. Combines the f1.8 aperture and WDR tech, you can playback each clear detail on car dash cam or PC.
- 🛍️【Car Recorder with 32G SD Card】IPS Screen car on-dash mounted cameras with 32GB SD card can endless working under Loop Recording function. Dash cam front and back combined with So ny sensor, you will get 30fps videos and 12MP pictures with this mini car cam.
- 🛍️【Wide Angle Front and Rear Camera for Car】Dash cam front comes with 170°wide field of vision and 140° for dash cam rear. Ultra-wide field of view witch reduces the blind spots and captures more details, aslo, there are 4 lens switching method that you can choose.
- 🛍️【G-sensor On Dash-Camera】Our car safety camera can auto detect and lock the driving recording that we need. Truly restored the driving video/photo with highly sensitivity.
- 🛍️【Plug and Play Cam for Car】You will find that you can easily and securely mount the suction cup to your windshield in seconds. The operation is still simple and friendly for new users. 12 months guarantee & Lifetime technology support provide you.
- 🎀 🎀 Installration of Dual Dash Camera - Both car cams can recording : Way 1: Connect the red part of rear cable with the positive pole of reversing light, so that it will appear reversing mode when you parking, No recording when you reversing. Way 2: If your car already have built in reversing system monitor, NO NEED TO CONNECT THE RED WIRE, Just wrap it directly with tape. Install and hide the cable is ok! At this period, the rear camera can keep recordking at reversing peroid.
- 🎀🎀 Front and rear dash cam with 32G SD Card, already inserted in Dash Car Camera. As a seller of dash cam and suppliers of other car camera sellers, we have collected the earliest data and feedback to upgrade our products, improve problems, and provide a 100-point great after-sales experience. or you can get the longer extension cable for the rear camera if you need it.( it is 6M's rear cam cable in the package) Please trust us, trust your choice.
- 🎀🎀 Some Important Function Settings for this car security cameraon daily use : Select "low" for the gravity sensor level, or turn it off / Loop recording select "3 minutes" / Select "off" for motion detection / Parking monitor select "on". Promise here: Really 1080P front dash cam. Please note: press "M" button to switch the Vidoe/Photo/Playback 3 Mode.
- 🎀🎀 As a supplier of dash dual cams, we have had feedback like this: the rear camera does not display/how to turn off the sound/how to play the rear mirror file or play it on the computer (1:something wront with the installation, please email the user munal's mailbox. 2: press "down button" speedly turn on/off the audio. 3: Long press "up/down button" to switch the Rront and Rear recording file when you on playback mode, A20 car dash camera Support: MOV computer playback Format)
- 🎀🎀 About the Battery: all the battery of dash cam in the market, only support auto turn on and recording a short time for the urgent situation when you parking. Need to plug the dual dash cams charger all the time. Do not use the free USB Cable as the Charger, the cable and the USB card reader only used to conneect with your computer and playback the recording file.
Frequently bought together

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Product guides and documents
From the brand

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Why us?
We not only have our own factory for more than 10 years, And have our own technical team. We are not only a seller, but also sale to some other car recorder's sellers.
What we can do?
We are able to collect feedback more quickly and upgrade in time. In addition to provide the high-quality dash cameras for car, any using question, our engineer always here.
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Dual Dash Cam with 32G SD Card
Provide evidence for traffic accidents
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Product Description



Package included:
1 × dash camera front and rear camera
1× 32G SD Card
1×USB SD Card Reader
1× Car Charger
1× USB Cable
1× Suction Cup Mount
1× User Manual
1× Installation Tool
1× Clean tool
- Image: JPEG; 12M/10M/8M/5M/3M/2M/1.3M/VGA
- Screen: 3 inch IPS screen dash cam front and rear
- Lens: f1.8/30fps
Easy Installation front Dash cam
Wipe the windshield clean, then choose the most suitable place for installation. Most people choose a location where near the rearview mirror. Plug and Play Dash Cams for Car.
Warm Tips to install the Rear Car Camera:
1. Please make sure that the red wire of the dash cam rear is connected to the positive pole of the reversing light, so that the reversing image car can appear in "reverse gear".
2. If you don’t need to use the reversing image, but only for the rear video, then the red wire does not need to be connected to the positive pole of the reversing light, just wrap the red wire.
Any using question , please rest assured , our factory engineer always here.
- Front/Rear Cam Recording: 1920x1080P / 1280x720P
- The length of Charger/ The length of Rear car camera: 3.5m / 6m
- Angle: Dash cams front camera170° /dashcams rear camera 140° (USB Interface) Mini USB(used for connect PC)
- Video: H.264 compression; MOV Format
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Connect with PC1. The first accessory we give away: 32G SD card, which can keep recording all the time. Meantime, you can also purchase a 64gsd card separately. That is also compatible. 2. The second accessory we gave away: SD card reader, take out the SD card, and use the card reader to connect to the computer. 3. The third accessory we gave away: USB cable, which is more convenient for you to directly connect the recorder to your computer, without disassembling the SD card. |
Loop Recording & Auto Lock1. Please adjust the sensitivity of G-sensor to Low or turn it off ,or the video file will be easily locked when your car brake,even if the loop recording function of the Dashboard Camera is turned on. 2. The file will be locked auto,when the car hits. When the Dashboard Camera prompts 'SD card FULL', it will turn off automatically to remind you to format sd card and reset it. Please follow these steps to solve the issue: a, Turn off G-sensor, motion detection and Parking mode. b, Please use the Lock function when you need to save a video without being overwritten. |
Car Charger with USB Interface1. 1080p dashcams for cars front and rear coming with car charger with USB interface. When charging the dash cam, you can also plug the data cable into the car charger to charge your phone or charging treasure. 2. Please note, all the dashcams' battery in the market now only support urgent recording for a while. Can not used as dash camera power supply. 3. Please clear the unnecessory car cam auto locked file. |
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Display Mode 1: Front and Back Dash Cam Images1. The front and rear lenses are displayed at the same time on dashcamera. The rear lens screen is displayed in the upper right corner. 2. When you are in the recording state, short press the "up" button to switch these 4 recording display modes. 3. Biuone means best one and safety. As a supplier and distributor of dashcams for cars, , we bear "Biuone" in mind in our daily operation, provide dash cam and belated accessories , if you need the hardwire kit for dash cameras ,or need the extension cable for rear cam. We will help you. |
Display Mode 2: Dash Cam for Cars Front and Rear1. Half of the front and rear lenses are displayed in the screen, and you can adjust the mode you need. 2. We have well-known brands in this dash cam markets, like dash camera for cars front and rear, dash cam hardwire kit, obd power cable for car dash camera, all the related product about the dash cam we are professional. |
Display Mode 3: Dash Cam Front Camera Only1. Only the front cam images is displayed, and the car forward picture will be displayed in the driving recorder to the greatest extent. 2. All parts and accessories sold by Biuone are manufactured according to strictest industry standards, superior functionality and premium quality assured. Thank you for visiting our products and store and happy shopping! |
Display Mode 4: Dash Cams Rear Cam Only1. Only show the rear images , you will see the situation behind more clearly. 2. If connect the red cable with your reversing lamp positive , it will auto turn into full screen of rear cam when you reversing , also comes with the red yellow green guide line! 3.Any using questions , you can feel freely tell us. |

3 inch IPS Screen
170° Wide angle with 3 Inch large screen and updated 1080P resolution, every part of your video looks amazing, dash cam front and rear camera shows your images in the best possible light.
The features of IPS screenshot: Visible Angle large + color real color accurate + dynamic picture quality + excellent energy saving

24 hours Parking Monitoring
Parking mode monitors your car’s surroundings while car is parked. Long time parking function needs hardwire kit or obd power cable. If you need it , you can try to " ask a question" in our shop page.
If you have using problems with the car cams, suggest you using the information which on the manual directly, so that you can go directly chat with the seller, not the Amazon buyer. In this way, our professional engineers will help you better.

Superior Night Vision
With the WDR and HDR technology, the camera delivers clear videos with artistic qualities, your footage stays clear and steady even in low light.
Our factory mainly made car recorder and vehicle products, such as Dash Cam Hardwire Kit and OBD2 power cable for dashcams. With professional engineers and product advantage , we can provide you excellent shopping experience, I believe we will be your best choice!

Wide Dynamic Range
Balance overexposure or underexposure to give more layers and clearer images. Our dual dash cam allow you to get the most stable images in the dark at night.
Biuone Brand, not only is seller but also is suppliers, from design to production, whether it is quality or our promise , we create reliability and longevity of all products. Belive customers have good purchase experience!





Installation drawing of the complete set of dash cams front and rear.
When you reverse car,the dash cam will show full screen of rear view with reversing guide dotted line.
Way 2: If your car already have built in reversing system display monitor, then no need connect the rear cam RED wire to reversing lamp.
Please note: This dash cam requires constant power via a cigarette lighter plug. And please better use our dash camera charger to charge it , or maybe lead to the rear camera can not works normal. The safety voltage of the recorder is 5V and the safety current is 1A-3A!

Why can not found the rear camera file ?
Yes both front and rear cam can recording and save the file, only except this situation: when the dash cam appear reversing mode.
Situation 1: Long press up/down button to switch the front or rear dash cam playback file, when you at playback mode.
Situation 2: Please confirm the two connections are well connected.

Why only has the front dash cam display?
Situation 1: Shot press "up button" to switch 4 front and rear dash cam display screen way.
Situation 2: Please confirm the two connections are well connected.
Why the dashcams screen always go black:
press twice the "menu button" - press "ok button" to choose and enter "Screen Saver" - you can turn it off or set auto turn off time of the screen ( the screen was turn off but the car camera still keep recording: you will see a blue light still turn on or flashing )

Other question of this dual dash cam with 32G sd card
Real 1080P front dash camera / dual front and rear camera / dual dash cams with32g sd card
Biuone Brand not only the dash cam seller but also other seller's supplyer, we promise here ,can provide you the newest updated item with the happy shopping experience.
We design, test and manufacture our devices to guaranty reliability and longevity of all products.

Installation of Rear Cam

Playback of Rear Cams

Display of Rear Camera

question of rear cams for car
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Dual Dash Cam | Dual Dash Cam | Kids Microphone | Kids Microphone | Kids Microphone | |
Type | A20 dash cam | A16 dash cam | 858L micro | 858L micro | 858L micro |
Color | black | black | rose gold | blue | black |
sd card | ✓ | ✓ | |||
rear cam | ✓ | ✓ | |||
function | Recording dash cam fro car | Recording dash cam fro car | karaoke microphone for kids | karaoke microphone for kids | karaoke microphone for kids |
Product information
Technical Details
Additional Information
Batteries | 1 A batteries required. (included) |
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Date First Available | July 14 2020 |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #257 in Electronics (See Top 100 in Electronics) #3 in Car On-Dash Mounted Cameras |
Feedback
Customer reviews

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Top reviews
Top reviews from Canada
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However, I don't know what the manufacturer was thinking for the reverse camera. The field of view is very narrow. So narrow that it almost seems zoomed in. Not like factory backup cameras at all, which always have a nice super wide view so you can see your bumper and judge the distance. Isn't that the whole point of a reverse camera? You can not do that with this camera. I've attached images to show what this backup camera sees and what the factory backup camera sees on my work truck. It would have been very inexpensive for them to use a proper wide-angle lens. I rate the backup camera 2 stars.

Reviewed in Canada 🇨🇦 on April 11, 2023
However, I don't know what the manufacturer was thinking for the reverse camera. The field of view is very narrow. So narrow that it almost seems zoomed in. Not like factory backup cameras at all, which always have a nice super wide view so you can see your bumper and judge the distance. Isn't that the whole point of a reverse camera? You can not do that with this camera. I've attached images to show what this backup camera sees and what the factory backup camera sees on my work truck. It would have been very inexpensive for them to use a proper wide-angle lens. I rate the backup camera 2 stars.


Top reviews from other countries

I have never owned a dashcam or had any experience with one. I wanted to get one and didn't get to do my normal research before purchasing, but I added this one to my cart to remind me. Alexa notified me of an Amazon "deal" two days later, so I decided to jump on it for $40. I see now that it is still $40, so I'm not sure about the "deal." Either way, it was worth a try for $40.
Review:
The camera itself is very light with a plasticky feel to it. The installation mount seems to be of higher quality than the camera. Installation was pretty simple. I wanted to do a hard-wire install to keep the wiring clean, but this product (as I suspect many others) runs on 5v (the USB standard) rather than 12v (the auto standard.) The instructions are clear (assuming you can read and understand terribly written English, as is the case with many guides written by non-native English speakers) to only use the supplied cigarette lighter plug to power the device. It does have an internal battery, but the directions are also clear that this is ONLY to provide a short time to complete a recording after the power is turned off. You MUST connect this camera to power to use it. It does NOT run on a rechargeable battery.
I contacted the seller to inquire about a hard-wire option. They were extremely helpful and responsive (next-day replies that clearly responded to my inquiry.) They offered me their hard-wire install cable for free. (Well, purchase on Amazon and then they will credit back the purchase price.) This product is still waiting to be shipped and has been delayed once already. I decided to do a quick installation using the cigarette lighter plug so that I could determine if I would keep this dashcam before my 30-day Amazon return window closed.
My 12v cigarette lighter plug is hot only while the car is on, and I think this is the only way this device will work automatically (turn on and record when the car is started, and stop recording and shut down when the car is turned off.) If you use an always-on accessory port in your car, you may need to turn it on/off and start/stop recording manually, or plug and unplug it with each use. I chose to NOT connect the rear-facing camera at this time since I don't want to end up re-routing any wiring if I need to reposition the front camera if/when I permanently install it.
When installing the rear-facing camera, you have a CHOICE:
1. Connect a wire to your backup light wire, which will activate the display when in reverse (like a backup camera,) but will NOT record video when doing so -or-
2. Do NOT connect the wire, which will record video while reversing, but will NOT display on the screen while backing up
Reviews commenting on this should be interpreted as though they are commenting on the product's design and not on the product's "failure," as this is clear in the instructions and in the Amazon description. (Again, you'll need to interpret this from broken English, but it should be clear.)
(I also remember reading somewhere that if you use the rear-facing camera, you should set the resolution to 720 instead of 1080. The front cam is 1080, but the rear is only 720. I can't verify this setting now as I write this review.)
There are also a few other settings recommendations in the manual to help avoid issues from arising:
1. Motion detection - keep this off
2. Shock/G sensor - keep this off to avoid auto-locking files, which will cause the memory card to fill
The included 32GB Micro-SD card is acceptable. You should get ~3hrs of video+audio from the front-facing camera at 1080 resolution. If you plan to connect the rear-facing cam and step-down to 720, frankly, I'm not sure if this will allow for more time or less. (I don't know if this cam creates separate files, or split-screen files when using both simultaneously.) Either way, it's enough to capture an "event" should you need to. Just make sure to stop recording to avoid having the file overwritten.
The Micro-SD to USB adapter worked quickly when attached to my PC. Accessing the files for playback was fast and easy. Just open them in your default video player application right from the Micro-SD card. No special or proprietary software is needed. The files created are in MOV format.
Video quality during the day is great. Not as good as a high-quality lens, but very clear.
Video quality at night is barely acceptable.
- Flare from approaching lights is very noticeable
- Reflecting street signs are so bad you can't read them until you are right next to them and they are lit by the edges of your headlights
- Lighted signs are unreadable (too bright as the camera attempts to deal with both very dark and very bright objects in the same scene)
- Only areas directly hit by your headlights are visible; light falloff is drastic outside of your headlight coverage
- Overall low-light recording is extremely poor and grainy
There may be other dashcams available at this price point. Overall, I would say that this is worth the $40 I spent trying it out. Assuming I get the hard-wired kit for free, the "all-in" price of $40 will be a little sweeter when this has a much cleaner installation. It's very nice that under "normal" installation, this product includes everything you need to use it, so there's nothing else to buy. (Cables, mount, Micro-SD card, SD reader.) But, if you do a lot of night driving, and high-quality night video is important to you, then I would consider looking at a more expensive dashcam.
I'll update this review if anything changes over time.

It does record at 1080p however the quality of the image for 1080p is well below standard. It is pixelated, gets washed out quite easily and is not great at night. It struggles with moving street signs but they can be read from a little distance away when stationary however number plates are only really readable at quite a close distance. With this in mind my thought was it might not be to bad if I get hit from the rear as they would have to be extremely close anyway.
With regards to the supplied rear facing camera it only produces 480p videos that are well and truly below par for something of this nature and I would and cannot recommend this for use for anything more than a very very basic reverse camera that you couldn't honestly send to an insurance company. I have seen better quality from 1990's ipods.
In conclusion it's just about okay for the price but if your expecting anything near quality spend more money and get a better product