a900ultra/kv

70mai Dash Cam a900ultra/icons/icon_4ka900ultra

The Flagship of Dual 4K Vision. Every Frame Synced.

a900ultra/features/f_starvis2BackgroundDual Sony STARVIS 2 IMX678
a900ultra/features/f_hdr
Dual 4K
HDR
a900ultra/icons/icon_4khdr
a900ultra/features/f_lvdsLVDS Digital Transmission
a900ultra/features/f_nightOwlVision
70mai Night Owl Vision ™
2.0a900ultra/icons/icon_owlvision
a900ultra/features/f_maiColor
MaiColor Vivid+ Solution ™
2.0a900ultra/icons/icon_maicolor
a900ultra/features/f_lowPower
Low-Power Parking Mode ²a900ultra/icons/icon_lowpower
a900ultra/features/f_4g70mai 4G Cloud+ 2.0 ¹
a900ultra/features/f_2chCollisionDetection
Dual-Channel Collision Detection
2.0
a900ultra/features/f_2chAIMotionDetection
Dual-Channel AI Motion Detection
2.0

DOUBLE THE FLAGSHIP

Dual Sony STARVIS 2 IMX678 in True 4K

Ultra Dual-Channel 4K Imaging

Fully loaded front and rear with matched flagship sensors and dual 130° wide-angle lenses, featuring f/1.6 & f/1.8 apertures for enhanced light capture to deliver top-tier imaging and uncompromised 4K clarity.

PiP View
Front View
Rear View

BeyondtheCMOS
Algorithms
Push4KFurther

NIGHTTIME PRECISION

70mai Night Owl Vision™ 2.0

Redefines low-light recording with an upgraded proprietary algorithm. Integrating superior glare suppression, advanced noise reduction, and targeted ROI bitrate optimization over high-frequency zones, it ensures remarkably pure night-time footage where critical evidence remains sharp and legible.

Balanced Exposure
Noise Reduction
Targeted ROI Optimization

TRUE COLOR REPRODUCTION

MaiColor Vivid+ Solution™ 2.0

Comprehensively upgrades daylight recording with natural colors and finer details. By combining Smart Scene Adaptation, ROI-focused Selective Image Processing for key road elements, and windshield color compensation, it achieves an elevated level of realism and clarity.

Light Adaptation
Vivid Color Compensation
Targeted ROI Optimization

CLEAR DARK VISION

70mai Lumi Vision

Comprehensively transforms nighttime parking recording with enhanced brightness and crisp legibility. By combining shadow detail extraction, low-light gain control, and targeted license plate enhancement, it brings out key vehicle details when parked in total darkness.

a900ultra/techUpdates/lumi_on

On

a900ultra/techUpdates/lumi_off

Off

ULTRA-FAST & LOSSLESS

LVDS Digital Transmission

Redefines rear recording with ultra-fast performance and lossless visual detail. By combining high-speed video processing, full 4K detail retention, and seamless real-time playback, it delivers a smooth, crystal-clear view without drop in quality or delay.

Slimmer
Faster
Seamless
Lossless
a900ultra/parkingMode/parkingMode_bg

Smart Parking Guardian Mode 2.0

Low-Power
Parking Mode ²
Dual-Channel
Collision Detection 2.0
Dual-Channel
AI Motion Detection 2.0
Consuming an ultra-low 5mA standby current—comparable to a tiny LED—it drastically extends runtime to deliver up to 30 days ³ of continuous parking surveillance when paired with the 70mai Battery Pack Mini.

Expanded 4G Cloud+ Features ⁴

Pair with 4G Hardwire Kit 2 (UP12) to unlock

Remote Album Playback & Download

View and download recorded videos remotely via the app anytime, anywhere. No more sitting in the car to connect or pulling out the SD card.

4g/26Q3V2/f_hotspotSharing

Explore All 4G Features >

Complete Drive Protection

common/swiper-pager-button-black-left
common/swiper-pager-button-black-right
a900ultra/swiper/swiper_1ugc/play

45MB/s High-Speed
Transfer ⁷

Boosted by 5GHz Wi-Fi 6, enjoy stable speeds up to 45 MB/s—download a 240MB video in just 5 seconds ⁸ . Effortlessly preview, save, and share footage on your phone in seconds.

a900ultra/swiper/swiper_2ugc/play

ON

OFF

HDR On/Off

Tailor color tones and contrast to your preferred visual style. Freely turn HDR On/Off on demand, or schedule auto-switching to effortlessly handle complex driving scenarios around the clock.

a900ultra/swiper/swiper_3ugc/play

Customizable
EV Settings

Customize your exposure settings on demand. Choose from -0.6 to +0.6 in 0.2 steps to manually balance your footage—step down for harsh lighting or step up for dim scenes to capture ideal image clarity.

a900ultra/swiper/swiper_4

Built-in GPS & ADAS

Provide essential safety features, such as current time, speed and coordinates, and track the exact location of an accident in case one should occur. It also provides a route-tracking map to better trace your journey.

a900ultra/swiper/swiper_5

Voice Control

Eyes on the Road. Hands on the Wheel. Experience safer, hands-free driving with intuitive voice commands. Simply speak to take photos, start recordings, or toggle audio and hotspots—supporting multiple languages ⁹ .

a900ultra/swiper/swiper_6

App Control

Manage everything seamlessly through the 70mai App. Easily configure settings, view live footage, and download recordings directly to your phone. It puts complete control and instant notifications in the palm of your hand.

a900ultra/swiper/swiper_7

Up to 512GB Storage

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

a900ultra/swiper/swiper_8

Supercapacitor

Safe. Stable. Enduring. Thriving in extreme climates, the leak-free supercapacitor supports 500,000 cycles ¹⁰ and secures footage during sudden power loss. It's a reliable, eco-friendly alternative to traditional batteries.

Shot on 4K A900 Ultra

a900ultra/shots/shot_1
a900ultra/shots/shot_2
a900ultra/shots/shot_3
a900ultra/shots/shot_4
a900ultra/shots/shot_5
a900ultra/shots/shot_6
a900ultra/shots/shot_7
a900ultra/shots/shot_9

Specifications

parameter/a900ultra

4K A900 Ultra

parameter/a900

4K A900

Dimensions

92×60×51.40mm

Dimensions

91x46x24.9mm

Sony CMOS

Front + Rear

Sony CMOS

×

Video Resolution

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

Video Resolution

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

Field of View (FOV)

Front: 130°
Rear: 130°

Field of View (FOV)

Front: 140°
Rear: 140°

HDR

Dual-Channel

HDR

Dual-Channel

HDR Settings

HDR On/Off
Scheduled On

HDR Settings

HDR On/Off
Scheduled On

Customizable EV Settings

Customizable EV Settings

×

LVDS Digital Transmission

LVDS Digital Transmission

×

70mai Night Owl Vision ™

2.0

70mai Night Owl Vision ™

1.0

MaiColor Vivid+ Solution ™

2.0

MaiColor Vivid+ Solution ™

1.0

70mai Lumi Vision

70mai Lumi Vision

Low-Power Parking Mode

Low-Power Parking Mode

×

Dual-Channel Collision Detection

2.0

Dual-Channel Collision Detection

1.0

Dual-Channel AI Motion Detection

2.0

Dual-Channel AI Motion Detection

×

Upgraded 4G

Upgraded 4G

Wi-Fi

45 MB/s
Wi-Fi 6 5GHz & 2.4GHz

Wi-Fi

25 MB/s
Wi-Fi 6 5GHz & 2.4GHz

Voice Control

EN/CN/RU/JP/VN/TH

Voice Control

EN/CN/RU/JP/VN/TH

Time-Lapse Recording

Time-Lapse Recording

Buffered Emergency Recording

Buffered Emergency Recording

24H Parking Surveillance

24H Parking Surveillance

Built-in GPS

Built-in GPS

ADAS

Driver Fatigue Alert

ADAS

Driver Fatigue Alert

Supercapacitor

Supercapacitor

Storage

32GB-512GB MicroSD Card

Storage

32GB-512GB MicroSD Card

Operating Temperature

Full Consumption:
-20℃ ~ +70℃ (-4℉ ~ 158℉)
Parking Surveillance:
-20℃ ~ +85℃ (-4℉ ~ 185℉)

Operating Temperature

-20℃ ~ +70℃ (-4℉ ~ 158℉)

Power Port

Type-C

Power Port

Type-C


1. Access to 4G Cloud+ 2.0 features requires the 70mai 4G Hardwire Kit 2 (UP12; sold separately). Some advanced 2.0 features may require an additional subscription to the 4G Cloud+ value-added service.

2. Low-Power Parking Mode automatically activates under specific conditions by disabling all features except Collision Detection (without pre-recording). Currently, this mode cannot be manually enabled via the app or device settings; a manual toggle switch will be added in a future OTA update.

3. Data provided by 70mai Lab. Actual runtime may vary depending on usage scenarios, trigger frequency, and environmental factors.

4. Expanded features require the 4G Hardwire Kit 2 (UP12, sold separately). Certain features also require an additional paid 4G Cloud+ service plan.

5. Access to Driving Emergency Cloud Backup requires the 70mai 4G Hardwire Kit 2 (UP12; sold separately) and an additional subscription to the 4G Cloud+ value-added service.

6. Requires the 4G Cloud+ Premium Plus plan. Calls must be initiated via the App and function like a walkie-talkie (one person speaks at a time), which does not support simultaneous two-way audio.

7. Data from 70mai Lab. Actual transfer speeds may vary based on your usage environment and device conditions.

8. Calculated based on a transfer speed of 45 MB/s. Actual download time may vary depending on usage scenarios, connected devices, and environmental factors.

9. Supports English, Chinese (Mandarin), Russian, Japanese, Vietnamese, and Thai.

10. Data provided by 70mai Lab. Actual performance may vary based on environmental conditions and usage patterns.