The YI Compact Dash Cam is a good budget dash camera. It includes WIFI which saves removing the camera from its mount or the micro card from the camera. It uses up to 32GB cards which you have to supply.
The screen is just sufficient for lining up the camera when you mount it. We would prefer a suction cup for this shaped camera but it seems to work OK.
Good images and a wide enough angle of view for most purposes and this dashcam includes a G sensor for emergency recording. The vision varies with differing light conditions.
The YI Compact Dash Cam is a good budget front camera.
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Dash cameras not only record what happen in front of you, they can help with parking, record the interior of the car and even include GPS mapping. They could well be a worthwhile addition to your vehicle.
See our post on why you may need a dash cam.