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The 70mai A810S is a 4K front dash cam built around Sony’s STARVIS 2 IMX678 sensor, but the available evidence does not establish it as the new king of night vision. 70mai promotes its Night Owl Vision processing for low-light recording; one reviewer found the A810S’s night improvement over the older A810 modest, while another reviewer scored its night video 7/10. Those observations are useful, but they are not a standardized comparison against the whole market.
What the 70mai A810S records
70mai specifies front video at 3840×2160P and identifies the sensor as a Sony STARVIS 2 IMX678. The EU product page lists 4K recording at 30 frames per second. This is a 4K front camera, not a dual-4K system: compatible rear cameras record at 1080p.
The US specification lists a 3-inch IPS screen, F1.7 aperture, Wi-Fi 6 on 2.4GHz, voice control, Type-C power, and a supercapacitor plus button cell. 70mai gives an operating temperature range of −10°C to 60°C. The manufacturer also lists GPS, HDR, collision detection, AI motion detection, time-lapse recording, Lumi Vision, and 4G compatibility. These are listed capabilities; what is included or usable can depend on the region and configuration. See the 70mai US A810S specifications.
Rear-camera options
The EU product page lists two compatible rear-camera choices: RC24, an interior camera, and RC23, an exterior backup camera. Both are 1080p options. Check the exact bundle and regional compatibility before buying; the A810S front camera’s 4K resolution does not carry over to rear footage. The 70mai EU product page lists these options.
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- 【True 4K Front + 1080P Rear Dash Cam with STARVIS 2 Sensor】Record in true 4K UHD with Sony STARVIS 2 sensor, capturing road details, license plates, and street signs in ultra clarity. The MaiColor Vivid+ Solution enhances exposure and color accuracy, ensuring balanced and lifelike footage day or night. 146° + 130° wide view covers all blind spots. Ideal dash camera for cars and road trips.
- 【Night Vision Excellence】Powered by dual Sony STARVIS 2 sensors — IMX678 (front) and IMX662 (rear) — combined with 70mai Lumi Vision black-light full-color technology, 70mai Night Owl Vision algorithm, and a large F1.7 aperture, this dash cam delivers vivid color and sharp details even in extremely dark environments. Whether driving on dim city streets, rural roads, or parking lots at night, you’ll enjoy clear, true-to-life footage with every frame.
- 【AI Motion Detection 2.0, Collision Detection & 24/7 Parking Surveillance】Smart AI algorithm detects people and vehicles with precision, while the built-in G-sensor automatically records and locks footage upon impact. 24-hour parking mode and time-lapse recording (need hardwire kit) keep your car protected at home, in garages, offices, or shopping lots. This dash camera for cars ensures full-time security even when you’re away.
- 【4G Remote Access, Real-Time Alerts & Vehicle Tracking】Connect the optional 4G hardwire kit (UP05) to unlock remote monitoring and cloud-based protection. View live footage, check your car’s location, and receive instant alerts for motion or collision events — all via the 70mai App. Whether you’re at home, in the office, or traveling abroad, this 4G dash cam feature keeps your vehicle under constant watch for total peace of mind.
- 【Built-in GPS, 5-Mode Positioning & Wi-Fi 6 Connectivity】The A810S dash cam features advanced 5-mode positioning (GPS, BDS, GALILEO, GLONASS, QZSS) for accurate speed, route, and location tracking — ideal for road trips, ride-sharing, or accident evidence. With Wi-Fi 6, enjoy ultra-fast video transfer and seamless 70mai App access for real-time previews, downloads, and firmware updates.
Is the A810S good at night?
70mai says its STARVIS 2 sensor and Night Owl Vision processing balance exposure, reduce noise, and control glare. These are manufacturer claims, not independent measurements of plate readability or a demonstrated lead over competing cameras. The DashCamTalk review page provides day and night sample footage and gives night video a score of 7/10; that score reflects one reviewer’s assessment, not a controlled market-wide test. View the DashCamTalk A810S review and sample footage.
For the A810S-versus-A810 comparison, YugaTech says both front cameras use the same IMX678 sensor and describes the newer model’s night improvement as slight rather than dramatic. That is one reviewer’s observation under its review conditions, not a standardized test. YugaTech also notes that rear recording is capped at 1080p. See its A810S versus A810 comparison.
What a useful night test should show
Sensor names and image-processing features alone cannot settle whether a camera will capture useful evidence at night. When comparing sample clips, prioritize the details that matter in a real incident:
Rank #2
- 【Note: The dashcam here is the A810, not the A810S.】
- 【True 4K Front + 1080P Rear Dash Cam with STARVIS 2 Sensor】Record in true 4K UHD with Sony STARVIS 2 sensor, capturing road details, license plates, and street signs in ultra clarity. The MaiColor Vivid+ Solution enhances exposure and color accuracy, ensuring balanced and lifelike footage day or night. 146° + 130° wide view covers all blind spots. Ideal dash camera for cars and road trips.
- 【Night Vision Excellence】Powered by Sony STARVIS 2 sensors — IMX678 (front) — combined with 70mai Night Owl Vision algorithm, and a large F1.8 aperture, this dash cam delivers vivid color and sharp details even in extremely dark environments. Whether driving on dim city streets, rural roads, or parking lots at night, you’ll enjoy clear, true-to-life footage with every frame.
- 【AI Motion Detection 2.0, Collision Detection & 24/7 Parking Surveillance】Smart AI algorithm detects people and vehicles with precision, while the built-in G-sensor automatically records and locks footage upon impact. 24-hour parking mode and time-lapse recording (need hardwire kit) keep your car protected at home, in garages, offices, or shopping lots. This dash camera for cars ensures full-time security even when you’re away.
- 【4G Remote Access, Real-Time Alerts & Vehicle Tracking】Connect the optional 4G hardwire kit (UP05) to unlock remote monitoring and cloud-based protection. View live footage, check your car’s location, and receive instant alerts for motion or collision events — all via the 70mai App. Whether you’re at home, in the office, or traveling abroad, this 4G dash cam feature keeps your vehicle under constant watch for total peace of mind.
- Can you read a license plate at a realistic distance, including when a vehicle is moving?
- Do headlights and illuminated signs retain detail, or wash out into glare?
- Are dark areas legible, or obscured by noise and aggressive processing?
- Does motion blur erase important details? Are colors and noise acceptable?
- How does the 1080p rear view compare with the front view under the same conditions?
A fair head-to-head requires the same route, camera settings, windshield, exposure conditions, and playback display. The available reviews do not establish a standardized independent test across current competitors, so “new king” is not a substantiated conclusion.
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How the A810S differs from the A810
70mai’s listed A810S specification changes include F1.7 versus F1.8 aperture, Wi-Fi 6 versus Wi-Fi 4, a supercapacitor plus button cell versus a lithium battery, buffered emergency recording, and support for up to 512GB rather than 256GB of storage. These are specification differences; they do not by themselves prove better image quality or night performance. Verify that each detail applies to the version sold in your region using the manufacturer’s A810S specification page.
YugaTech’s direct night-footage assessment is that the improvement is modest, despite the shared IMX678 front sensor. For a purchase decision, compare actual clips as well as the differences that affect your use: rear-camera configuration, storage, connectivity, parking-mode power, bundle contents, and total installed cost.
Rank #3
- 【4K Front & Rear Dash Cam with Flexible Rear Camera】4K front camera + 1080P rear camera with an adjustable rear lens that can record inside the cabin or behind the vehicle. Captures license plates, road signs, and critical driving details from multiple angles with sharp clarity. Stronger Evidence When It Matters. Whether it’s an accident, road dispute, or insurance claim, you’ll always have clear video proof to protect yourself
- 【Superior Night Vision with F1.55 Aperture & Dual HDR】7-layer glass lens, F1.55 large aperture, and Dual HDR technology enhance light intake and optimize exposure. Produces brighter, clearer footage at night, in tunnels, or during rain and glare conditions. Drive with Confidence Day and Night. Your dash cam keeps recording sharp and reliable footage no matter the lighting conditions.
- 【Free 128GB Card, G-Sensor & 24H Parking Monitor】Includes a free 128GB microSD card with support up to 512GB, built-in G-sensor emergency lock, loop recording, and optional 24-hour parking surveillance. Automatically saves critical footage during impacts and continues monitoring your vehicle even when parked. Complete Protection for Your Car. From driving on the road to parking overnight, your vehicle is always guarded
- 【Ultra-Fast Wi-Fi 6 & Smart App Control】Built-in Wi-Fi 6 provides data transfer speeds up to 5× faster than traditional Wi-Fi dash cams and works seamlessly with the 70mai app. Instantly preview, download, and share videos directly on your phone without removing the SD card. Footage at Your Fingertips. Access important recordings on the spot for police reports, insurance claims, or sharing unforgettable moments
- 【ADAS Safety Alerts & OTA Smart Updates】Advanced Driving-Assistance System provides lane departure and forward collision alerts, while OTA updates keep the system optimized. Real-time voice alerts help drivers stay aware of potential risks, while automatic firmware updates ensure improved performance over time. Smarter and Safer Driving. Your dash cam not only records the road but also helps you avoid potential hazards.
Parking mode, storage, and setup requirements
Plan for parking-mode power
Parking surveillance is not simply an always-on feature powered by the camera alone. The EU product page says parking functions require a compatible hardwire kit or OBD-II adapter, and names UP04, UP06, and UP03 hardwire kits. Which accessory is appropriate depends on the vehicle, configuration, and region; confirm compatibility before purchase. YugaTech likewise notes that advanced parking and remote monitoring require optional accessories.
Install a memory card
The EU product page lists microSD capacity up to 512GB. A card is required for recording and is sold separately, according to the available manual copy. Choose a suitable high-endurance card within the supported capacity range; the sources do not establish a specific card model.
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Who should consider the A810S?
- Consider it if you want a 4K front camera, value the listed feature set, and are comfortable selecting the appropriate rear camera and power accessories for your vehicle.
- Compare it carefully if night plate capture is your deciding factor. Look for comparable footage in similar conditions rather than treating “Night Owl Vision” or the sensor name as proof of a class-leading result.
- Check the full setup if you need rear coverage or parking surveillance. Rear video is 1080p, and parking functions require an additional compatible power accessory.
For any competing camera, compare front and rear resolution, night plate capture, HDR behavior, parking-mode power requirements, app and connectivity, storage, regional warranty and support, and the price of a complete installation. No cross-brand winner is established by the available comparisons.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
