Do the cameras automatically come on when there is either vibration while parked or when ignition comes on? Cameras go off when ignition turns off?

Yes, the cameras will automatically turn on and record when motion or impact is triggered while parked, thanks to the 24Hrs Buffered Motion Detection Parking Mode. Additionally, if any collision is detected, the camera will automatically turn on and start recording.

Questions & Answers: Vantrue E2 -G 2.5K WiFi Dual Dash Cam with GPS, Voice Control Front and Rear 1944P+1944P 2.45" Mini Car Dash Camera, Buffered Parking Mode, 160°, WDR, Night Vision, Supercapacitor, Support 512GB Max

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Vantrue E2 -G 2.5K WiFi Dual Dash Cam with GPS, Voice Control Front and Rear 1944P+1944P 2.45" Mini Car Dash Camera, Buffered Parking Mode, 160°, WDR, Night Vision, Supercapacitor, Support 512GB Max

Featuring dual Sony Starvis sensors and an upgraded chip, the Vantrue E2 front and rear Wi-Fi dashcam records both front and rear at 2.5K+2.5K@30FPS resolution, providing superb images to help you clearly capture license plates as well as street signs.
Hands-free voice control(only available in English, Japanese, Russian, and Chinese)helps you operate this mini dash cam more easily, allowing you to focus more on driving safety.
This dual dash cam with built-in Wi-Fi allows you to view and download footage on your smartphone or tablet via the free Vantrue app, and share your journey with friends or family on social media.
One-Touch Snapshots & Support 512GB Card
Dual Sony Starvis Night Vision & WDR
Supercapacitor & Lifetime Customer Care: Instead of traditional batteries, the Vantrue E2 car camera uses supercapacitor that are durable enough to withstand extreme temperature ranges (-4°F to 158°F), which also extends the life and reliability of the dash cam. Support optional anti-glare.

$229^.99 –