The 70mai A800S Series, developed by Xiaomi’s smart driving sub-brand, continues to be one of the most popular and affordable 4K dash cams in 2025. Known for its high-resolution recording, GPS integration, and AI-powered driver assistance, the A800S strikes a fine balance between value and functionality — ideal for budget-conscious consumers who don’t want to sacrifice quality.
In this guide, we’ll break down the 70mai A800S price in 2025, its key features, different bundle options, and how it compares to other top contenders in the smart dash cam market.
💰 70mai A800S Price in 2025
| Variant | Channels | Approx. Price (USD) |
|---|---|---|
| 70mai A800S (Front Only) | 1CH (Front) | $109 – $129 |
| 70mai A800S + Rear Cam RC06 | 2CH (Front + Rear) | $139 – $159 |
| 70mai A800S + Hardware Kit Bundle | 2CH + Parking Mode | $169 – $189 |
| 70mai A800S + CPL + SD Card Bundle | Full bundle | $199 – $209 |
💡 Note: Pricing may vary depending on region, bundle contents, and retailer. 70mai products are widely available via Amazon, AliExpress, and Xiaomi official stores.
📷 Key Features of the 70mai A800S Series
| Feature | Details |
|---|---|
| Resolution | 4K UHD (3840×2160 @ 30fps) |
| Rear Camera | 1080p Full HD (optional RC06) |
| Sensor | Sony IMX415 CMOS sensor |
| Field of View | 140° wide-angle (front) |
| Storage Support | Up to 256GB microSD (Class 10/U3) |
| Built-in GPS | Yes, for route tracking & speed data |
| ADAS Alerts | Forward Collision, Lane Departure Warnings |
| Super Night Vision | 3D DNR + WDR for better low-light clarity |
| Mobile App | 70mai App via Wi-Fi (iOS & Android) |
| Parking Surveillance | Yes (requires hardwire kit) |
| Time-lapse Recording | For efficient 24/7 monitoring |
🎥 Crystal-Clear 4K UHD Recording
The A800S records at 4K UHD (2160p @ 30fps) using a Sony IMX415 image sensor, capturing sharp, detailed footage. With 140° wide-angle coverage, it minimizes blind spots without fisheye distortion.
The camera also supports 1080p @ 60fps, ideal for smoother motion capture, especially in fast traffic environments.
🌙 Enhanced Night Vision
Thanks to 3D Noise Reduction (3DNR) and Wide Dynamic Range (WDR), the 70mai A800S performs well in low-light conditions, including night driving, dimly lit roads, and underground parking lots.
Combined with the high-resolution sensor, night-time license plate capture is clearer than many dash cams in its price segment.
🧠 Advanced Driver Assistance System (ADAS)
The built-in ADAS module alerts drivers in real time for:
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🚗 Forward Collision Warning
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🕳️ Lane Departure Warning
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🛑 Pedestrian Detection (in future firmware support)
While not as advanced as Tesla or Garmin systems, the 70mai ADAS is surprisingly accurate for a camera under $200.
📱 Smart App Integration via 70mai App
The 70mai App allows:
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Wireless playback & download of footage
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Real-time view from the camera
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Firmware updates
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GPS route history view
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Format & setting customization
📶 Uses built-in Wi-Fi to sync with your phone — no cellular data or hotspot required.
🔌 Parking Surveillance Mode (Optional)
With the 70mai Hardwire Kit, the A800S supports three parking modes:
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Auto Motion Detection
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Time-lapse Continuous Recording
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Emergency Impact Recording
The cam will automatically switch to parking mode when the car is turned off, offering 24/7 protection.
🔄 Comparison: 70mai A800S vs Similar 4K Dash Cams
| Feature | 70mai A800S | Vantrue N4 Pro | VIOFO A129 Pro Duo | Rexing V1-4K Plus |
|---|---|---|---|---|
| Resolution | 4K Front / 1080p Rear | 4K Front / 1080p Rear | 4K Front / 1080p Rear | 4K Front / 1080p Rear |
| GPS | Built-in | Optional | Built-in | Optional |
| Night Vision | WDR + 3DNR | STARVIS sensor | WDR | Standard |
| ADAS | Basic | ❌ | ❌ | ❌ |
| App Connectivity | ✅ (Wi-Fi) | ❌ | ✅ (Wi-Fi) | ✅ |
| Price (2CH) | ~$159 | ~$379 | ~$249 | ~$199 |
✅ 70mai A800S wins on features per dollar, making it a best value 4K dash cam for daily drivers.
🙋 Frequently Asked Questions (FAQ)
❓ Is 70mai A800S compatible with Mac/Windows?
Yes. Footage is stored on a microSD card and can be viewed on any computer. You can also access clips through the 70mai mobile app.
❓ Can I use it without a rear camera?
Yes. The base A800S functions as a single-channel dash cam. You can upgrade later by purchasing the RC06 rear camera separately.
❓ Is it good for hot climates?
Yes. The A800S is equipped with a supercapacitor (not a lithium battery), making it more stable in extreme heat or cold.
✅ Final Verdict: Is the 70mai A800S Worth Buying in 2025?
For under $200, the 70mai A800S Series is one of the most feature-rich and reliable 4K dash cams in its class. With smart features like built-in GPS, ADAS, and mobile app connectivity, it delivers excellent performance for commuters, rideshare drivers, and families alike.
Recommended For:
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🚗 Drivers who want high-resolution footage on a budget
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🚙 Daily commuters who value GPS tracking + ADAS
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🚕 Uber, Lyft, and private drivers needing basic rear coverage
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