70mai Dash Cam 4K A900

Image Quality 4G Cloud+ 2.0 Reliable Protection Specifications

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70mai Dash Cam 4K A900

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Image Quality 4G Cloud+ 2.0 Reliable Protection Specifications

70mai Dash Cam

Dual True 4K. Dual HDR. Security in Every Frame.

f/1.55

Large Aperture

Supercapacitor

Upgraded 4G Compatibility

MaiColor Vivid+ Solution ™

70mai Night Owl Vision ™

ONOFF

Buffered Emergency Recording

f/1.55

Large Aperture

MaiColor Vivid+ Solution ™

70mai Night Owl Vision ™

ONOFF

Buffered Emergency Recording

Supercapacitor

Upgraded 4G Compatibility

Rear 4K HDR. Complete Proof Behind.

Record what happens behind you with equally clear details, ensuring every critical moment is captured.

Front 4K HDR. Every Detail Ahead.

Capture every road detail with exceptional clarity, from bright sunlight to challenging low-light scenes.

4K + 4K

Smarter Imaging. Superior Clarity.

MaiColor Vivid+ Solution ™

70mai Night Owl Vision ™

70mai Lumi Vision

Our exclusive imaging technology enhances visual clarity through adaptive auto exposure, selective image processing that highlights key details like license plates, and advanced compensation for windshield tint and reflections—exposing the truth and protecting you in claims and investigations.

Reliable Protection. Every Drive. Every Stop.

Upgrade to 4G Cloud+ 2.0, More Features, More Freedom.

Building on the trusted 4G experience, 4G Cloud+ 2.0 introduces powerful new features—from remote album access and emergency cloud backup to hotspot sharing and two-way calling—keeping you closer to your car than ever before.

Remote Album Playback & Download

Remotely access, browse and download videos and photos stored on the dash cam's local memory card anytime via the 70mai App.

Driving Emergency Cloud Backup

Automatically upload urgent driving event footage to the cloud, keeping critical evidence safely stored and always accessible.

In-Car 4G Hotspot Sharing

Share stable 4G network with your family and friends on the go. The hotspot supports up to 5 connected devices simultaneously.

Two-Way Voice Call

Enable instant two-way voice communication with anyone inside the vehicle directly through the 70mai App.

Snap & Find My Car

Automatically snaps a parking photo, uploads it to the App and records your parking location, letting you locate your vehicle effortlessly in busy lots.

Remote Album Playback & Download

Remotely access, browse and download videos and photos stored on the dash cam's local memory card anytime via the 70mai App.

Driving Emergency Cloud Backup

Automatically upload urgent driving event footage to the cloud, keeping critical evidence safely stored and always accessible.

In-Car 4G Hotspot Sharing

Share stable 4G network with your family and friends on the go. The hotspot supports up to 5 connected devices simultaneously.

Two-Way Voice Call

Enable instant two-way voice communication with anyone inside the vehicle directly through the 70mai App.

Snap & Find My Car

Automatically snaps a parking photo, uploads it to the App and records your parking location, letting you locate your vehicle effortlessly in busy lots.

Complete Protection on Every Drive.

Capture Every Detail, Preserve the Full Story

Evidence Before, During and After Every Incident.

Enhanced buffered emergency recording captures up to 190 seconds before and 30 seconds after an impact, preserving the complete sequence of events. Emergency footage is automatically saved to a dedicated folder for quick access in the 70mai App.

Parking Protection Around the Clock

Collision Detection

Actively monitors your parked vehicle via the G-sensor. If a bump is detected, the cam triggers a 30-second recording and provides a voice alert the next time you power on.

Time-Lapse Recording

Enables continuous 1FPS recording in parking mode, compressing 15 minutes of footage into 1 minute. This saves memory space while allowing you to review hours of surveillance in seconds.

Actively monitors your parked vehicle via the G-sensor. If a bump is detected, the cam triggers a 30-second recording and provides a voice alert the next time you power on.

Collision DetectionTime-Lapse Recording

Small Details. Big Difference.

Compact Body Design

Engineered to be unseen. The dash cam's sleek, compact form factor tucks neatly behind your rearview mirror, providing a full field of view without obstructing your driving vision.

Built-in GPS & ADAS

GPS pinpoints your real-time location, logs your speed and time. ADAS warns you of risky driving.

Max 512GB Storage

Store more high-resolution footage with support for up to 512GB microSD cards, so you can record longer with fewer worries.

Multilingual Voice Control

Control key functions hands-free with voice commands in multiple languages, including English, Mandarin, Russian, Japanese, Vietnamese, and Thai.

Wi-Fi 6 High-Speed Transfer

Enjoy wireless export speeds of up to 25MB/s , allowing youto quickly transfer your footage to your smartphone or othermobile devices.

Supercapacitor

Safe. Stable. Enduring. Thriving in extreme climates, the leak-free supercapacitor supports 500,000 cycles and secures footage during sudden power loss.

Small Details. Big Difference.

Compact Body Design

Engineered to be unseen. The dash cam's sleek, compact form factor tucks neatly behind your rearview mirror, providing a full field of view without obstructing your driving vision.

Built-in GPS & ADAS

GPS pinpoints your real-time location, logs your speed and time. ADAS warns you of risky driving.

Max 512GB Storage

Store more high-resolution footage with support for up to 512GB microSD cards, so you can record longer with fewer worries.

Multilingual Voice Control

Control key functions hands-free with voice commands in multiple languages, including English, Mandarin, Russian, Japanese, Vietnamese, and Thai.

Wi-Fi 6 High-Speed Transfer

Enjoy wireless export speeds of up to 25MB/s , allowing youto quickly transfer your footage to your smartphone or othermobile devices.

Supercapacitor

Safe. Stable. Enduring. Thriving in extreme climates, the leak-free supercapacitor supports 500,000 cycles and secures footage during sudden power loss.

Specs

70mai Dash Cam 4K A900

70mai Rear Cam RC44H

70mai Dash Cam 4K A900 70mai Rear Cam RC44H

70mai Dash Cam 4K A900

Dimensions

4G Compatibility

Video Resolution

91 x 46 x 24.9mm

✓2.0

Front: 3840*2160P (4K)
Rear: 3840*2160P (4K)

Supercapacitor

Frame Rate (FPS)

Storage

✓

Front: 30FPS
Rear: 30FPS

32GB-512GB
MicroSD Card

Field of View (FOV)

Voice Control

Aperture

Front: 140°
Rear: 140°

EN/CN/RU/JP/VN/TH

f/1.55

App Control

HDR

Collision Detection

✓

Supported
(front & rear dual HDR)

✓

HDR Settings

Time-lapse Recording

Bulit-in GPS

HDR On/Off
Scheduled On

✓

Buffered Emergency Recording

Display Screen

24H Parking Surveillance

✓

3.18 inch

✓

Wi-Fi

Operating Temperature

Download Speed

Wi-Fi 6
2.4GHz & 5GHz

-20℃~70℃ (-4℉~158℉)

25MB/s

Power Port

Type-C

1. The 4G Hardwire Kit is required, sold separately, and available in select countries.
2. Every dash cam 4K A900 comes with native hardware support for 4G Cloud+ 2.0 connectivity. The complete 4G service features will be fully enabled through an official subsequent OTA firmware update.
3. The exact duration captured depends on the timing within the loop recording cycle and your selected loop length (configurable to 70s, 130s, or 190s).
4. 70mai Hardwire Kit is required, sold separately.
5. Data provided by 70mai Lab.
6. Data provided by 70mai Lab. Actual performance may vary based on environmental conditions and usage patterns.