4K Dash Cam Front and Rear

Elite 4K Dual Security with Sony Starvis 2 and 4G Remote Cloud Monitoring

Full manufacturer title

70mai 4K Dash Cam Front and Rear, 4K+1080P Dual STARVIS 2 Car Dash Camera for Cars, 4G LTE Remote Access, AI Motion Detection, WiFi 6, 5 GPS, 24H Parking Mode, HDR Night Vision, Voice Control, ADAS

Member of The 90+ Clubscored 90+ out of 100

Typical price

$135

Buy on Amazon

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70mai 4K Dash Cam Front and Rear, 4K+1080P Dual STARVIS 2 Car Dash Camera for Cars, 4G LTE Remote Access, AI Motion Detection, WiFi 6, 5 GPS, 24H Parking Mode, HDR Night Vision, Voice Control, ADAS image 1

Ravvy verdict

90.3 / 100

The 70mai A810S is the best value for drivers seeking Sony Starvis 2 clarity and 4G connectivity, provided they are willing to install a hardwire kit to unlock its best features.

Best for: tech savvy car owners wanting remote cloud access and top tier night clarity
Buy it if: You want sony STARVIS 2 sensor provides industry leading low light clarity.
Skip it if: You want a simple plug and play device without hardwiring.
Best alternative: VIOFO A229 Pro 4K HDR Dash Cam Front and Rear, Dual STARVIS 2 Sensors (safety-conscious commuters and long-distance drivers who prioritize night vision)

How it scores on what matters

Video Clarity95.5
Night Vision94.0
Feature Set91.5
App Connectivity88.0
Installation Ease78.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The 70mai A810S sets a high benchmark for mid-range dash cameras by integrating the Sony STARVIS 2 IMX678 sensor. This hardware choice is critical because it significantly improves dynamic range and low light performance compared to older 4K models. By utilizing the Sony sensor in the front and the IMX662 in the rear, the system captures crisp license plate details even under challenging glare or poorly lit backroads. The addition of Wi-Fi 6 ensures that downloading these heavy 4K files to your phone is no longer a sluggish chore. Beyond basic recording, this unit acts as a comprehensive vehicle guard. When paired with the optional 4G hardwire kit, it transitions from a standard camera to a connected security hub, offering real time alerts and remote live views. The AI motion detection is particularly sophisticated, designed to identify human movement around the car to filter out false positives like swaying trees or passing shadows. While the interface is feature rich, the physical build remains compact enough to tuck behind a rearview mirror without obstructing the driver's line of sight.

Ravvy AI insight

To maximize this camera's potential, you must budget for a high endurance U3 microSD card and the UP05 hardwire kit. The Starvis 2 sensor is the real star here, as it handles the transition between tunnels and bright sunlight much better than cheaper 4K alternatives. If you do not plan on hardwiring for parking mode, you are paying for premium features you won't fully utilize.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 25, 2026.

What owners praise

Sony STARVIS 2 sensor provides industry leading low light clarity
Wi-Fi 6 support enables significantly faster video transfers
4G LTE remote monitoring capabilities for real time peace of mind
AI motion detection reduces false parking alerts
Comprehensive 5-mode GPS positioning for precise route tracking
Smooth 60FPS recording option at 1080p for high speed action

What to know first

Advanced 4G and parking features require a separate hardwire kit
4K video files consume storage space very quickly
The unit can run warm during extended 4K recording sessions

Specifications

Brand: 70mai
Color: Black
Frame Rate: 60FPS/30FPS/25FPS
Model Name: A810S-RC24-128GB
Unit Count: 1 Count
Item Weight: 1.3 pounds
Screen Size: 3 inches
Display Type: LCD
Manufacturer: 70mai
Model Number: A810
Field Of View: 150 degrees
Mounting Type: Windshield Mount
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
Control Method: App, Push Button, Voice
Mfr Part Number: A810-2
Number of Items: 1
Number of Packs: 1
Maximum Aperture: 1.8 f_stop
Flash Memory Type: microSD
Auto Part Position: Front, Rear
Compatible Devices: Smartphone
Real Angle of View: 150 degrees
Included Components: 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 See more
Supported Standards: MP4
Vehicle Service Type: ATV, Bus, Car, Minivan, RV, Tractor, Truck, UTV
Warranty Description: 18-Month Manufacturer
Auto Part Orientation: Front & Rear
Memory Slots Available: true
Connectivity Technology: Wi-Fi
Memory Storage Capacity: 256 GB
Video Capture Resolution: 2160p
Included Memory Card Size: 128 GB
Item Dimensions D x W x H: 1.42"D x 3.46"W x 2.35"H
Optical Sensor Technology: CMOS
Compatible with Vehicle Type: ATV, Bus, Car, Minivan, RV, Tractor, Truck, UTV
Flash Memory Supported Size Maximum: 512 GB

How to get the most out of it

Optimize Parking Mode

Purchase the UP05 Hardwire Kit to enable the 4G functions. Once installed, configure the AI motion sensitivity in the app to 'Medium' to balance security with battery preservation.

Ownership tips

tip

Enable Wi-Fi 6 for Downloads

Ensure your smartphone is compatible with Wi-Fi 6 to take advantage of the ultra fast transfer speeds. This makes viewing 4K clips on the side of the road much less frustrating than standard Wi-Fi connections.

care

SD Card Maintenance

Use a high endurance microSD card rated for 4K video. Format the card through the camera menu once every month to prevent file corruption and ensure loop recording remains stable.

Frequently asked questions

Does this camera require a subscription for 4G features?

The camera itself does not have a subscription fee, but you will need to provide your own Nano-SIM card with a data plan for the 4G hardwire kit to enable remote features.

Can I use the parking mode without the hardwire kit?

No, the internal battery is only meant for emergency file saving. For 24 hour parking surveillance and AI motion detection, the UP05 hardwire kit is mandatory.

What is the benefit of Sony STARVIS 2?

STARVIS 2 is the latest sensor technology that offers higher dynamic range and better light sensitivity. It allows the camera to capture readable license plates in dark conditions where older sensors would just show a blur.

Does it support voice commands?

Yes, you can use basic voice commands to take a photo or lock a video clip. This allows you to keep your hands on the wheel while ensuring important footage is saved.

Where can you buy the 4K Dash Cam Front and Rear?

4K Dash Cam Front and Rear is sold through Amazon, and 70mai also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the 4K Dash Cam Front and Rear cost?

The last price Ravvy recorded was $135. Retail pricing on car electronics moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the 4K Dash Cam Front and Rear for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when car electronics discounts run deepest, compare the open box or renewed listing against new stock, and check whether 70mai is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the 4K Dash Cam Front and Rear in stock right now?

It was in stock at our last check. Availability on popular car electronics can change within hours, so the live listing is the source of truth.

Is the 4K Dash Cam Front and Rear worth it?

Ravvy scores it 90.3 out of 100. The strongest argument for it is sony STARVIS 2 sensor provides industry leading low light clarity. The trade off to weigh is advanced 4G and parking features require a separate hardwire kit.

Who should buy the 4K Dash Cam Front and Rear?

It fits tech savvy car owners wanting remote cloud access and top tier night clarity If that does not describe your situation, compare it with the other options in Car Electronics before committing.

What are the key specs of the 4K Dash Cam Front and Rear?

ASIN: B0C9TBZF8X. Brand: 70mai. Color: Black. Frame Rate: 60FPS/30FPS/25FPS.

What are good alternatives to the 4K Dash Cam Front and Rear?

Compare it against the other scored picks in Car Electronics on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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