One use of a dash cam is to have everything recorded in case of an accident. One useful feature is that it has a G sensor. It shoots video at a 2160p (4K) resolution.
From Amazon
REDTIGER F7N Dash Cam 4K with WiFi GPS Front 4K/2.5K and Rear 1080P Dual Dash Camera for Cars,3.18" Display Dashcam,170° Wide Angle Dashboard Camera Recorder,Parking Monitor,Support 256GB Max
Gadcet
REDTIGER F7N Dash Cam 4K with WiFi GPS Front 4K/2.5K and Rear 1080P Dual Dash Camera for Cars,3.18" Display Dashcam,170° Wide Angle Dashboard Camera Recorder,Parking Monitor,Support 256GB Max, New