Triple View. Dual 4K. Full Story.
70mai Dash Cam 4K A900 Ultra – Flagship Dual 4K HDR Camera with Sony STARVIS 2 IMX678 Sensors
Dual Sony STARVIS 2 IMX678 Sensors：Powered by dual Sony STARVIS 2 IMX678 sensors, A900 Ultra delivers flagship-level imaging performance for both front and rear cameras. With advanced sensor technology, it captures sharper details, clearer license plates, and more reliable road evidence in every driving scenario.
Dual True 4K HDR Recording：Experience true 4K HDR recording from both front and rear cameras. A900 Ultra delivers ultra-clear footage with balanced exposure and realistic details, while customizable image settings and smart HDR switching adapt to different lighting conditions.
LVDS Lossless Digital Transmission：Featuring an industry-first combination of Sony STARVIS 2 IMX678 and LVDS digital transmission, A900 Ultra preserves original image data without compression or quality loss. With ultra-low 20ms latency and a slim cable design, it delivers real-time rear 4K transmission with easier installation.
Smart Parking Guardian Mode 2.0：Upgraded with dual-channel monitoring, AI detection, and pre-recording technology, A900 Ultra provides comprehensive parking protection. It captures complete event details from both front and rear cameras, helping secure reliable evidence when your vehicle is unattended.
AI-Powered Imaging Enhancement：A900 Ultra combines 70mai Night Owl Vision™ 2.0, MaiColor Vivid+ Solution™ 2.0, and Lumi Vision™ technologies to deliver smarter image processing across driving and parking scenarios. From bright daylight to extreme darkness, it intelligently balances exposure, reduces noise, enhances details, and preserves critical evidence with exceptional clarity.
Shipping & Returns
Row content
1. Shipping Fee &Time
Free shipping for orders over $99.
Shipping to the United States:
Order placed before 5pm (PT) will be dispatched the same day excepts weekends or public holidays. Shipping and delivery is an additional 3-7 days.
Shipping to CA/AU/KR:
Order placed before 5pm (PT) will be dispatched the next day excepts weekends or public holidays. Shipping and delivery is an additional 7-14 days.
Please allow up to 2 working days for processing your order. When your package is shipped, we will send you an email including a link and a tracking number so you can see the progress of your package.
During a sale event, shipping may be delayed due to the high volume of orders. We will process order ASAP, however if there is a significant delay, we will contact you through email.
2. Tracking Number
Once your order ships, we will send you an email including tracking number individually. Please allow 48 hours for the tracking update. If your tracking has no update over 3 working days, please contact us at onlinehelp@70mai.com, we are here to help.
3. Delivery Address
A correct and complete delivery address is essential. Otherwise your parcel may experience a delay or a lost which we are not responsible for due to the incorrect information provided by you (our customers).
We are unable to change the address once your package is already shipped out. If a package is returned to us due to an incorrect or incomplete address, we will contact you for a correction, and the package will be re-shipped at an additional shipping fee.
4. Order Cancellation
We accept order cancellation before the product is shipped. If the order is canceled you will get full refund. We cannot cancel the order if the product is already shipped out.
5. Order Modification
We don't offer order emendation after the order has been placed. If you want to change the item(s) of your order, please contact us in time to cancel the original order and replace it with a new one.
Dual Sony STARVIS 2 IMX678
Dual-Channel Collision Detection
2.0
Dual-Channel Al Motion Detection
2.0
Low-Power Parking Mode
LVDS Digital Transmission
70mai Night Owl Vision ™ 2.0
Dual
4K HDR
70mai 4G Cloud+ 2.0
MaiColor Vivid+ Solution ™ 2.0
What Happens When You're Not Looking?
Meet the All-New
Protection that stays with you before, during and after the drive.
Meet the All-New
Protection that stays with you before, during and after the drive.
Park for Weeks. Set Up in Minutes.
Long-lasting parking protection without the complicated installation.
Up to 30* days of parking protection.
A900 Ultra's 5mA low-power fast-boost architecture works with Battery Pack Mini* to keep front and rear parking surveillance running for extended periods.
* Battery Pack Mini — Included in selected bundles, also available separately. * Up to 30 days with Battery Pack Mini and low-power parking mode. Actual duration may vary.
Parking Protection, Made Simple.
A compact 2-in-1 power solution that makes parking surveillance easier to set up while helping protect your car battery.
Skip the fuse box. Plug in and go.
Plug into your car’s cigarette lighter and power up in minutes—no fuse box wiring or professional installation needed. Battery Pack Mini provides dedicated power for parking surveillance, helping protect your car battery from prolonged power drain.
Specifications
Processor
NT98539
Display Screen
3-Inch IPS
Video Resolution
Front: 3840*2160P (4K)
Rear: 3840*2160P (4K)
Image Sensor
Front: Sony STARVIS 2 IMX678
Rear: Sony STARVIS 2 IMX678
Frame Rate
Front: 30FPS
Rear: 25FPS
Field of View
Front: 130°
Rear: 130°
Aperture
Front: f/1.8
Rear: f/1.6
Wi-Fi
Wi-Fi 6 5GHz
Storage
Up to 512GB MicroSD Card
Voice Control
ZH/ EN/ RU/ JA/ VN/ TH
System language
EN/ RU/ JA/ KR/ ES/ PT/ ZH-TW/ TH/ PL/ FR/ DE/ CZ/ RO/ HU/ UK/ VN/ ID/ PH / IT/ TR/ AR
Operating Temperature
-20℃～+70℃（14℉～140℉）
What's in the Box?
About 70mai
Founded in 2016, 70mai is a global leader in smart car electronics, specializing in high-quality dashboard cameras. With a commitment to innovative technology and sleek design, 70mai empowers drivers with real-time assistance and peace of mind on the road.
With a solid brand reputation and a strong market presence in 100+ countries and regions across Southeast Asia, Europe, North America, and Asia-Pacific, 70mai has earned the trust of over 10 million global users as of 2026.
Driven by the vision to create safer, more comfortable, and more connected driving experiences, 70mai continues to lead the future of intelligent automotive technology, making every journey smarter and more secure.
Shop here, get protected
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