My Blackvue DR400G-HD II:Did you drive through a red light at 0:05????
Read the title and you will see the car was on an extended test drive by the fitter after some warranty work…. and yes he did go through a red light They are powered by the car, there is no internal battery inside them.
Been looking at these on and off. Bit dubious about the GPS version with regards to logging your speed. It will always show you going faster than you are. I may be wrong.