Real 4K UHD + FHD + FHD
Being the first to deploy the newest Sony STARVIS 2 tech, A139 Pro is the first real 4K dash cam supporting up to 3 channel recording, powerful enough to beat existing 4K dashcam competitors with immensely upgraded image clarity and accuracy in license capturing.
![](https://viofo.com/img/cms/A139%20F-I/66%20(4).jpg)
Sony STARVIS 2 IMX678
Sony latest technology STARVIS 2 IMX 678 image sensor, type 1/1.8’’, offers a wider dynamic range in a single exposure than the STARVIS pixel of the same size, bringing much less noise and motion blur during day & night recording.
![](https://viofo.com/img/cms/139%20pro/2.jpg)
4K HDR | Night Vision 2.0
Night vision has always been a headache with all dashcams, but is highly optimized in A139 Pro. Image sensor type 1/1.8’’ with larger pixel brings in more light under same illumination level and 4K HDR tech balances over dark and over bright areas to help accurately restore 4K details recorded at night.
![](https://viofo.com/img/cms/139%20pro%20%E5%9B%BE%E6%A0%87/32.gif)
User-friendly Installation
Built with super slim coaxial cable and miniature connectors, A139 PRO enables more user-friendly, hidden installation and better electromagnetic interference reduction.
![](https://viofo.com/img/cms/A139%20PRO%201CH/01.jpg)
![](https://viofo.com/img/cms/139%20pro/44.jpg)
4X Faster 5GHz Wi-Fi
An upgraded 5GHz Wi-Fi connection module is built into A139 Pro to provide 4 times faster Wi-Fi data transfer, ensuring smooth video previewing, downloading and sharing.
![](https://viofo.com/img/cms/139%20pro/6.jpg)
![](https://viofo.com/img/cms/A139%20Pro%20Series%20Landing%20Page/0.jpg)
24/7 Parking Monitoring
![](https://viofo.com/img/cms/139%20pro/8-8_1.jpg)
![](https://viofo.com/img/cms/A139%20F-I/66%20(1).jpg)
* We recommend to buy VIOFO HK3-C or HK4 ACC hardwire kit cable for parking mode recording.
Voice Notification
A139 Pro supports multiple languages and clearly notifies you of settings changes
or memory card errors, keeping you fully focused on the road.
or memory card errors, keeping you fully focused on the road.
![](https://viofo.com/img/cms/139%20pro/10.jpg)
GPS Logger
A139 Pro provides detailed location, speed and time data of the vehicle when playing back the video on VIOFO App or computer.
![](https://viofo.com/img/cms/139%20pro/10-10.jpg)
CPL Filter
![](https://viofo.com/img/cms/139%20pro/11.jpg)
A circular polarizing lens (CPL) filter can be used to reduce reflections and glare off glass and road surfaces, bringing significantly improved image clarity and contrast.
Packing List
![](https://viofo.com/img/cms/A139%20PRO%201CH/66%20(3).jpg)
Front Camera
Rear Camera
Interior Camera
Circular Polarizing Lens Filter
Trim Removal Tool
Card Reader Adapter
![](https://viofo.com/img/cms/A139%20PRO%201CH/66%20(2).jpg)