VIOFO
VIOFO A129 Pro Duo 4K
Best 4K video quality to date. If initial issues are resolved, this camera will be an excellent buy .
7.5
Overall Score7.5/10
Price
$250
4K
Front Resolution
3840 x 2160p (4K)
CMOS
Front Sensor
Sony Exmor R IMX317
GPS
GPS
Yes
P
Parking Mode
Buffered, Timelapse, Low Bitrate
WiFi
Wi-Fi
Yes
CH
Channels
Front, Rear
Strengths
- Excellent video quality for dual camera
- Discreet
- Good support
Weaknesses
- Initial release issues (double beeping)
Scores
Performance
Day Video
9/10
Night Video
8/10
Reliability
5/10
Discreetness
8/10
Value
7/10
Support
8/10
Community
Community Insights
Snapshot from May 20, 2026
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Community
Threads
160
Posts
4,673
Views
976,130
Forum Activity
High
Last Activity
April 18, 2026
Data Sheet
Technical Specs
Overview
| Spec | VIOFO A129 Pro Duo 4K |
|---|---|
| Brand | VIOFO |
| Model | A129 Pro Duo 4K |
| Channels | 2 |
| Channel Setup | Front, Rear |
| Form Factor | Wedge |
| Release Date | Oct 2019 |
| Country | China |
| Warranty | 18 months with registration |
Video and Hardware
| Spec | VIOFO A129 Pro Duo 4K |
|---|---|
| Processor | Novatek NT96685 |
| Video Format | MP4 |
| Compression | H.264, H.265 |
| Screen Size | 2" |
| Touchscreen | No |
| Mount | Adhesive |
| Power Supply | 5V |
| Battery Type | Capacitor |
Features
| Spec | VIOFO A129 Pro Duo 4K |
|---|---|
| Parking Mode | Buffered, Timelapse, Low Bitrate |
| Wi-Fi | Yes |
| GPS | Yes |
| Apps | Android, iOS |
| Cloud Connectivity | No |
| Voice Commands | No |
Storage and Durability
| Spec | VIOFO A129 Pro Duo 4K |
|---|---|
| SD Card Type | MicroSD |
| Max Card Size | 512GB |
| Operating Temperature | -10°C to 65°C |
| Swivel | No |
| Error Notification | Audio, Screen |
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Hardware Layout
Camera Units
Front Camera
| CMOS | Sony Exmor R IMX317 |
|---|---|
| Max Resolution | 3840 x 2160p (4K) |
| FPS | 30 |
| Bitrate | 60.0 Mbps |
| Viewing Angle | 140° |
| Dimensions | 84 x 55 x 40 |
| HDR | No |
Rear Camera
| CMOS | Sony STARVIS IMX291 |
|---|---|
| Max Resolution | 1920 x 1080p |
| FPS | 30 |
| Bitrate | 16.0 Mbps |
| Viewing Angle | 140° |
| Dimensions | 53 x 50 x 31 |
| HDR | No |