VIOFO A139

VIOFO

VIOFO A139

One of the better 3-channel dash cams to hit the market. If it proves reliable will be a good buy

VIOFO A139
7.2
Overall Score

7.2/10

Price $270
4K
Front Resolution 2560 x 1440p (2K)
CMOS
Front Sensor Sony STARVIS IMX335
GPS
GPS Yes
P
Parking Mode Buffered, Timelapse, Low Bitrate
WiFi
Wi-Fi Yes
CH
Channels Front, Rear, Interior

Strengths

  • Decent video quality for 3-channel
  • 18 month warranty with registration
  • Audio error notifications
  • Capacitor instead of battery

Weaknesses

No weaknesses listed yet.

Scores

Performance

Day Video 8/10
Night Video 6/10
Reliability 6/10
Discreetness 7/10
Value 8/10
Support 8/10

Community

Community Insights

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Threads 160
Posts 4,579
Views 907,358
Forum Activity High
Last Activity March 12, 2026

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Data Sheet

Technical Specs

Overview
SpecVIOFO A139
BrandVIOFO
ModelA139
Channels3
Channel SetupFront, Rear, Interior
Form FactorWedge
Release DateJan 2021
CountryChina
Warranty18 months with registration
Video and Hardware
SpecVIOFO A139
ProcessorNovatek NT96687
Video FormatMP4
CompressionH.264
Screen SizeNo
TouchscreenNo
MountAdhesive
Power Supply5V
Battery TypeCapacitor
Features
SpecVIOFO A139
Parking ModeBuffered, Timelapse, Low Bitrate
Wi-FiYes
GPSYes
AppsAndroid, iOS
Cloud ConnectivityNo
Voice CommandsNo
Storage and Durability
SpecVIOFO A139
SD Card TypeMicroSD
Max Card Size512GB
Operating Temperature-10°C to 65°C
SwivelNo
Error NotificationAudio

Hardware Layout

Camera Units

Front Camera
CMOSSony STARVIS IMX335
Max Resolution2560 x 1440p (2K)
FPS30
Bitrate27.8 Mbps
Viewing Angle140°
DimensionsUnknown
HDRNo
Rear Camera
CMOSSony STARVIS IMX291
Max Resolution1920 x 1080p
FPS30
Bitrate17.0 Mbps
Viewing Angle140°
DimensionsUnknown
HDRNo
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