If you have one of those handy Sandisk lightning or USB-C sticks you can watch it on your iPhone or smartphone.
Dashcam
Safely pull your thumb drive
Just tap and hold the camera icon until it turns grey. Then you can safely pull out the thumb drive.
Save the camera recordings
Simply tap the camera icon and it will automatically save the last 60 seconds as a separate recording.
Carry a spare thumb drive
For your dashcam needs, carry a spare thumb drive!