As the name implies, a dash cam is mounted on the dash of your car and records the road ahead of you. The maximum video resolution is 1080p. This particular model shoots video at 30fps.
From Amazon
Garmin Dash Cam 47, 1080p HD Video, 140-degree Field of View, Voice Controlled, Pocket Size Dash Camera, Automatic Recording, Incident Detection with GPS, Dual USB charger included
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