70mai Dash Cam 4K A800 Built-in GPS ADAS 70mai Real 4K Car DVR UHD Cinema-quality Image 24H Parking SONY IMX415 140FOV
New 70mai Dash Cam 4K A800 Built-in GPS ADAS 70mai Real 4K Car DVR Camera UHD Cinema-quality Image 24H Parking Monitior SONY IMX415 140FOV
Dual-vision with the Cinema-quality Video
Combined the optional rear cam, every important detail in the front or rear of the vehicle can be recorded clearly to provide irrefutable video evidence or capture the landscape along your journey with cinema-quality video.
* In front-vision recording mode, the max resolution is 3840*2160. In dual-vision recording mode, the max resolution for front and rear view will be 3840*2160 and 1920*1080 respectively.
(Note: Rear Cam HDMI cable length: 5.5M)
Up to 4K Resolution with 140°FOV
Built around a powerful Sony IMX 415 CMOS image sensor, the A800 dash cam records 4K UHD videos with a wide-angle 140° FOV.
Super Night Vision with 3D DNR
The A800 achieves stunning video and vivid, clear images even in low-light conditions using a 3D DNR (Dynamic Noise Reduction) tech, F/1.8 aperture lens and a smart algorithm that significantly reduces image noise and automatically adjusts the exposure balance. 
Boosted Driving Safety with ADAS
The A800 is more than just a reliable dash cam. When you start the car, A800 automatically begins recording and enables the ADAS (Advanced Driver-Assistance System) that will assist you while driving with lane-departure and forward collision warnings that help you avoid accidents.
GPS Built-in
More functions are coming soon.
(This will be obtained through a firmware upgrade)
In-car Guardian for 24/7 Protection
With A800 4k dash cam, the protection doesn’t stop when you leave your car. After parking, the Parking Mode is automatically activated. Using a 3-axis gravity sensor, A800 can detect any hit-and-run collision and immediately begin recording to capture valuable video evidence.
Loop Recording & Evidence Protection
The A800 records video on a loop and stores it locally on a Micro SD memory card (up to 128GB supported) while driving. This ensures that in the event of an accident, the video evidence will be captured and then safely secured from overwriting. 
In-app Access & Instant Share
No network is necessary to connect your smartphone with A800. It seamlessly connects using its own Wi-Fi for full instant access to stored videos. The dash cam also acts as a digital camera, controlled with your phone to capture any picture or view along your route. Share memories of every special road trip fast and easy online!
HIGH-ENDURANCE 64GB Micro SD Card USH-1 U3 Max 100MB/S Read TF Card only for 70mai 4K Dash Cam A800.
U1(UHS-1) or above. USH-1 U3 it the best suit for 70mai 4K dash cam A800
The memory card may become damaged or deteriorated after repeated cycles of overwriting, and this may affect its ability to save video and image files.
lf this occurs, immediately replace it with a new memory card.
*HIGH-ENDURANCE UHS-I (U3) 64GB SD Card， max up to 100MB/s read, 45MB/s write.
Here is the link for 70mai Parking Surveillance Cable, please kindly choose to buy once needed.
With 70mai hardwire kit,A800 can always capture the moment of detecting collision after parking.
FAQ
Common Questions:
Question 1：70mai Hardware Kit: Where can I find English User manual and how to install the hardware kit?
We have a 70mai hardware kit installation video to help all 70mai users to install the 70mai hardware kit, here is the link: https://youtu.be/bj1pymYvLuw
You can check the English Hardware Kit User Manual with this link: https://drive.google.com/file/d/1OUhTNvdcAGvTInwL6d6hU3SkjVyZjhs5/view?usp=sharing
Question 2: what is the length of Rear Cam HDMI cable?
Rear Cam HDMI cable length: 5.5M
APP Questions:
Question 1: How to receive the verification code?
1. Some emails can not receive the verification code immediately because of the server delay. The verification code should be received in 30 minutes.
2. You can use another email or use Facebook to log in directly if the sign-up verification code takes too long to receive.
Hardware Questions:
Question 1: How to solve the automatically restart problem
The majority of the automatically restart problem is caused by the power supply or Micro SD card, please try the solution step by step:
1. Move your A800 to your house and use another charging cable to connect the power resource.
2. Please use another Micro SD card if step 1 doesn't work
3. Please take a short video and share the link to us via help@70mai.com if the step1&2 don't work. So as we can help you solve this problem.
Question 2: How to choose a good Micro SD card for the 70mai Dash Cam A800?
The 4K resolution needs a high standard Micro SD card, which needs a U1&Class 10 standard memory card. Please make sure that your Micro SD card has U1 and Class 10 logo.
Question 3: Can I activate parking surveillance mode without 70mai Hardware Kit?
No, the Parking Surveillance Mode can only be activated by installing the 70mai Hardware Kit.
Firmware Questions:
Question 1： How to upgrade the firmware?
Here is the upgrading path in 70mai APP: Download 70mai APP---Enable A800 hotpot and connect your cellphone the device------ Tap the app top-left icon---- Choose My device------Download the latest firmware----Reconnect your cellphone and push the firmware to the A800----Connect the power resource and wait until the update succeeded
Question 2: Does the A800 support voice control?
No, the Dash Cam A800 doesn't support voice control.
Question 3: How do I switch it from km/h to MPH?
The Dash Cam A800 doesn't have this option yet, but we will add this option to the setting list in the next firmware version, you can upgrade your firmware to the latest version to use MPH at that time.
Question 4: How to activate parking surveillance mode?
The parking surveillance mode can only be activated by installing the 70mai hardware kit. You will be able to enable the parking surveillance mode in video settings list after installing the hardware kit.
Question 5: How to update the frimware?
Installation package download address: https://drive.google.com/file/d/1l93gNUfz7cX39sdTZf7gYJ6zERYNKurT/view?usp=sharing
1) After the installation package is decompressed, copy the upgrade folder to the root directory of the SD card
2) The recorder is connected to the power supply but turned off (you can first connect the power supply to turn on the recorder, and then press and hold the power button to turn off)
3) Insert the SD card into the recorder
4) Press and hold the power button and the rightmost function button at the same time, wait until the screen lights up and the word upgrade appears, you can let go
5) After the screen is off, click the power button to turn on
6) Successful upgrade
Note: If the recorder does not respond (black screen) during the card swiping process, please press and hold the recorder's power button for more than 15 seconds to reset the device, and then turn it on normally.
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