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🚗 Elevate your drive with 4K clarity & smart safety — never miss a moment on the road!
The 70mai A800S is a premium front and rear dash cam system featuring true 4K+1080P dual recording with Sony STARVIS IMX415 sensor for vivid, sharp video day or night. Equipped with advanced ADAS for real-time safety alerts, 5GHz dual-band WiFi for rapid file transfer, and a 3-inch IPS screen for easy control. It supports up to 256GB storage, loop recording, G-sensor emergency lock, and 24-hour parking surveillance with instant app notifications. Designed for quick installation and backed by an 18-month warranty, it’s the ultimate smart dash cam for professional drivers and tech-savvy millennials who demand security and style on every journey.
























| ASIN | B09YCZ7PYW |
| Auto Part Orientation | Front & Rear |
| Auto Part Position | Front, Rear |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #2,882 in Electronics ( See Top 100 in Electronics ) #38 in Car On-Dash Mounted Cameras |
| Brand | 70mai |
| Built-In Media | Car Charger x1, Mount x1, Dash Cam x1, Rear Cam x1, Power Cord x1, Rear Cam Power Cord x1, User Manual, Wiring Crowbar x1, Electrostatic Sticker x2 |
| Color | Black |
| Compatible Devices | Smartphone |
| Compatible with Vehicle Type | ATV, Bus, Car, Minivan, RV, Tractor, Truck, UTV, Uber |
| Connectivity Technology | Wi-Fi |
| Control Method | App |
| Customer Reviews | 4.5 out of 5 stars 1,537 Reviews |
| Display Type | IPS |
| Field Of View | 140 degrees |
| Flash Memory Supported Size Maximum | 256 GB |
| Flash Memory Type | microSD |
| Frame Rate | 24, 30, 60 FPS |
| Item Dimensions D x W x H | 1.42"D x 3.46"W x 2.35"H |
| Item Weight | 144 g |
| Manufacturer | 70mai |
| Maximum Aperture | 1.55 f_stop |
| Mfr Part Number | A800S-1 |
| Model Name | A800S-1 |
| Model Number | A800S-1 |
| Mounting Type | Windshield Mount |
| Number of Items | 1 |
| Optical Sensor Technology | CMOS |
| Other Special Features of the Product | App Control, 4K Dash Cam, Built-In GPS & WiFi, ADAS, Loop Recording, G-Sensor, Night Vision, STARVIS IMX415 Sensor, Smart Parking Monitor, Time-lapse |
| Real Angle of View | 140 degrees |
| Screen Size | 3 inches |
| Supported Standards | MP4, JPG |
| Unit Count | 1 Count |
| Vehicle Service Type | ATV, Bus, Car, Minivan, RV, Tractor, Truck, UTV, Uber |
| Video Capture Resolution | 2160P , 1080P |
| Warranty Description | 18-Month Manufacturer |
K**I
EXCELLENT PRODUCT AT A REASONABLE PRICE
Installation of the front camera, rear camera and hardwire kit in a RAM 3500 crew cab pickup took about 3 hours. All of the supplied cables were more than long enough to use in a vehicle that size. Getting the cameras up and running after installation was really straightforward. The picture quality, day and night, is excellent and I would buy the 70mai A800S again. That said, nothing is perfect and so I found things that need to be improved. #1 on the improvement list is the setup instructions. During setup the user is given several options. For instance, options for video length and options for how long the camera stays on when you exit the vehicle, however, the instructions give no information to help the user decide why you may want to choose one option over another for your particular situation/needs. #2 on the improvement list is the 70mai app. The app does allow you to connect to the A800S internal WiFi and it does a good job of allowing you to view video saved on the SD card. The issue I have with the app is that it takes way too many keystrokes to be able to view a saved video. It seems that every user command input simply brings up another warning window that the user has to clear to finally arrive at being able to view the saved video. A little information about video playback. On my first attempts to view recorded video from the SD card, both on my iPhone XR and on my laptop, the video quality was lacking. The video had a somewhat 'liquid' look to it, a sort of motion blur. The quality was good enough to show what happened leading to a traffic incident, but impossible to get any detail like a license plate number or road signs. I replaced the SD card with no improvement so I actually thought the camera was defective and requested a replacement from Amazon. Before the replacement arrived I found the answer to getting clean, crisp video from the SD card. I downloaded a VLC media player to my laptop and when I played the saved SD card camera video using the VLC player, BINGO, clear crisp HD video! I have now purchased a Lightning to SD card reader from Apple (about $30 on Amazon) and downloaded the VLC media player to my iPhone and iPad. If I want or need to view clear, crisp HD video I simply remove the SD card from the camera, insert in into the Apple card reader and play it through the VLC player on the phone or iPad.
J**G
Great 4k dash cam with a good price and features
This is a solid choice for a dashcam. We've had it installed on our Skoolie for about a year, traveling around the country and seeing the sights. We use the second camera to record the inside of the bus, and use footage for youtube and TikTok videos. The image quality is very high and the device itself is pretty intuitive to use. The automatic event detection sometimes triggers on harsh bumpy roads, but if you're in a regular car or pickup truck this is probably not going to be an issue. My advice if you're recording in the native 4k is to grab any interesting footage after every drive, even with the large sd card you're not going too far back in time! The night vision is pretty good and the built in speed and gps coordinates are super useful too! I added a few samples from driving around in Arizona under different conditions, judge the quality for yourself!
V**.
Amazing product and easy installation
Hey thereSo, I've been using this 70mai 4K Dash Cam Front and Rear with STARVIS, and let me tell you, it's been a game-changer for my daily drives. First off, the video quality is insane. The front camera shoots in 4K, and it's like having a mini movie studio strapped to your windshield. I can literally count the leaves on trees as I drive by. And at night? It's like the camera has night vision or something. Super clear, even when it's pitch black outside. The rear camera isn't quite as fancy, but it still does the job. It's like having eyes in the back of your head, you know? Now, I'm not exactly a tech wizard, but even I found it easy to set up and use. The app is pretty straightforward, and the screen on the camera itself is big enough that I don't need my reading glasses to see what's going on. Oh, and get this - it's got this cool parking mode. I parked in a sketchy area the other day, and it actually caught some guy eyeing my car. Nothing happened, but it was reassuring to know I had video evidence just in case. The best part it super affordable. I've seen dash cams that cost way more and don't even come close to this quality. Bottom line, if you're in the market for a dash cam, do yourself a favor and check this one out. It's like having a personal security guard for your car, minus the attitude and coffee breaks. Trust me, you won't regret it!
M**N
Very Good Dashcam Recorder but..
As a dashcam, it works great, I deduct 1 star because I cant connect via wifi, password is stated to be 12345678, they may or may not be true, I just cant connect even if I do a factory reset so anytime I need to view footage, I have to remove the SD card and view it that way on my computer, cant figure out a way to watch on my cell phone but recordings are excellent and no other problems as of yet. Excellent video quality, 4k is actually 4k.
V**P
Good video quality and work the money
I have been using the dashcam for about 3 months now. The installation was easy, it is DIY work if you are not too concerned about perfection. I was able to get the wiring done to my satisfaction, but if you want a perfectly clean work, get it done by professionals. The wifi connectivity and video download through mai app is very convenient and easy to get done. Overall a good dashcam with excellent video quality.
M**D
Best dash cam for the price, with minor setup frustrations
Let me start off by saying that for the price, I love this dash cam. The video quality is awesome, even at night. I do most of my driving in the dark because of the hours I work at my job so even seeing some reviews saying the night video quality wasn’t the best, I disagree. Installation was straight forward. Clean your glass, stick it up there and hide the wires. It even comes with a small plastic crowbar to hide the wires with. It’s small so it doesn’t take up space on the windshield or the back window of my truck for the rear camera (which is about the size of my thumb) and the app is also pretty straight forward and easy to use once it’s set up. Now the gripes: the sensor that detects sudden motion is way too sensitive. It spends half of my drives in emergency recording mode because I hit a pothole or crossed over railroad tracks and it thinks I biffed it into something. And my truck has an extremely smooth ride for a pickup, which is something. The instructions were frustratingly vague and don’t cover half of what they should (i.e. how to navigate menus and set it up initially). The app is similar in getting it set up because it continually mentions bluetooth when it means wifi. You have to connect your phone to the wifi in the camera for it to set up and it repeatedly says to check the bluetooth connection in the troubleshooting section, which was frustrating because it had me looking for the wrong connection for 20 minutes after a 12 hour shift. So when it says bluetooth, it means wifi - Fair warning. But the app is easy to use once you’re past the setup and you can go back and check all your recordings whenever you want and see a live camera view and play with settings and all the things. Once it’s set up and operational, it functions simply and easily. The menus on the unit are easy to figure out and navigate and it’s user friendly (once you get past the relatively useless instructions). My advice is to use the instructions to get an idea and use common sense for the rest because if you have any common sense at all it’s easy to figure out without any instructions - they’ll just confuse you and slow down your installation and possibly have you muttering light cuss words under your breath. Overall it’s the best value I found, and it works well. I’m happy with it and living in Florida and seeing the way people drive down here (some of the things you see down here are WILD) it’s a solid investment. I would definitely recommend this to a friend.
C**A
Buena cámara
Excelente
A**R
A downgrade to the 70mai Dashcam lite
Used to have the 70mai Dash cam lite 2 and it may have not had the best features like ADAS, 4k, etc, but atleast it had parking surveillance (and I didnt need to buy a seperate stupid cable). The ADAS on this is merely a gimmick, it's annoying and you dont need it. The 4k is nice. The rear camera is okay I guess. One of the things that annoy me the most is the sensitivity of the emergency recording, even on low sensitivity the slightest of bumps on horrible california roads will set it off, even a normal door slam. Another thing horrible with this is the fact that it lacks motion detection, what I mean by this is when you're idle the dash cam turns off, but when you set off again it doesn't turn back on, you have to do it yourself manually. Like surely you have some sort of motion detection if you have a sensitive emergency detection. Even the 70mai Dashcam lite 2 had this and it was way cheaper than this. In conclusion, I bought this thinking it'd have the same features as the lite, but unfortunately it's just more expensive with some important features cut out just to make them a separate purchase (parking surveillance). 3/5 do not recommend, buy the 70mai dashcam lite for your first dashcam if you're looking at this joke of a product.
N**N
Great value
Great quality camera. Easy to install. Just don't forget to grab a SD card at the same time as the camera comes without one.
T**A
Imagem excelente
Imagem top câmera é muito boa 😁 A bateria do carro do meu marido chegou a descarregar não sei se tem alguma coisa haver com a câmera, ele chegou a trocar de bateria vamos ver se vai descarregar novamente. Super indico essa câmera a imagem é umas das melhores.
V**H
Excellent Video Quality and Features
I've been using the 70mai 4K Dash Cam A800S for a few weeks now, and I'm thoroughly impressed with its performance. The 4K front and 1080p rear recording capabilities provide crystal-clear footage, capturing every detail on the road. The STARVIS sensor ensures excellent night vision, making nighttime driving much safer. The built-in 5GHz WiFi and GPS are convenient features, allowing me to easily connect to the app for viewing footage and adjusting settings. The 3-inch IPS screen offers a clear display, and the ADAS system provides helpful lane departure warnings and forward collision alerts. Installation was straightforward, and the dash cam's design is sleek and unobtrusive. The 24-hour parking mode gives added peace of mind, recording any incidents while the vehicle is parked. Overall, this dash cam offers excellent value with its high-quality video, advanced features, and user-friendly app. I highly recommend it to anyone looking for a reliable and feature-rich dash cam.
J**S
Muito bom
Resolveu a minha preocupação com o veículo estacionado e movimentado porque grava tudo com boa qualidade
S**R
Excellent quality and convenience!
This is the best dashcam I've ever owned. The quality is excellent, and the best part is that it has its own wifi so I can easily use the app to connect to download any video I need in just a few clicks. Much better than taking out the SD card to put into a different device to pull video from! I love that it has such good quality that I can read license plates, that it comes with a rear camera for even more coverage to see what happened behind you, and also the automatic recording for collision detection for peace of mind. At first this was triggering often due to pot holes, but you can set the sensitivity so it will only trigger from hard shocks Absolutely love this dashcam and would buy again. It is so clean looking once the wires are hidden away and with its small form factor
Trustpilot
1 month ago
2 weeks ago