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What is the difference between VIOFO's 2K and 4K front dash cams?

VIOFO's 2K models record at 2560×1440 resolution, which captures clear road detail and readable license plates at typical driving distances. The 4K models record at 3840×2160 with larger Sony STARVIS 2 sensors, delivering noticeably sharper footage — especially useful for reading plates at greater distances, capturing fine text on road signs, and providing higher-resolution evidence for insurance or legal purposes.

Why do VIOFO dash cams use supercapacitors instead of batteries?

All VIOFO single-channel dash cams use supercapacitors rather than lithium-ion batteries. Supercapacitors are far more heat-resistant, operating reliably from -20°C to 65°C (-4°F to 149°F), which is critical for a device mounted on a sun-exposed windshield. Unlike lithium batteries, supercapacitors don't swell, degrade, or pose fire risks over time — ensuring consistent performance year after year.

What is Sony STARVIS 2 and why does it matter for dash cam footage?

Sony STARVIS 2 is Sony's second-generation back-illuminated sensor technology designed specifically for security and automotive imaging. Compared to the first-generation STARVIS, STARVIS 2 sensors offer roughly 2.5× wider dynamic range in a single exposure. This translates to significantly better nighttime footage — darker scenes reveal more detail while bright headlights don't overexpose the frame.

Can I add a rear or interior camera to a VIOFO front dash cam later?

Yes. Several models in this collection — including the A229 Pro, A229 Plus, and A329S — are designed as modular systems. You can purchase the front camera unit now and add a rear camera or interior camera at any time to upgrade to a 2-channel or 3-channel configuration. The front unit acts as the main hub, so there's no need to replace any hardware — simply connect the additional camera and you're set.

Do VIOFO front dash cams support parking mode?

Yes. Every VIOFO single-channel dash cam includes buffered parking mode, which continuously records a rolling buffer and saves footage when motion or an impact is detected. The buffer captures up to 15 seconds before the triggering event, so you never miss the moments leading up to an incident. For 24-hour parking surveillance, a hardwire kit (sold separately) provides constant power to the camera while protecting your vehicle's battery with a low-voltage cutoff.

Which VIOFO 1-channel dash cam is best for discreet installation?

The VS1 is VIOFO's most discreet option — its ultra-compact pill-shaped body has no built-in screen, making it nearly invisible behind a rearview mirror. All setup and footage review is done through the VIOFO smartphone app over 5GHz Wi-Fi. The A119 Mini 2 is the next most compact option, adding a small 1.5-inch screen for on-device control.

How does Wi-Fi 6 on the A119M Pro improve the dash cam experience?

The A119M Pro features Wi-Fi 6 with transfer speeds up to 30 MB/s — approximately 4× faster than standard 2.4GHz Wi-Fi found on most dash cams. This means a 3-minute 4K video clip downloads to your phone in roughly 30 seconds instead of over 2 minutes. Faster transfers make it practical to review and share high-resolution footage on the go, right from the VIOFO app.

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