Power cord is pleasantly long, so a enigermassen inconspicuous installation is possible without problems.
Have a Class10 Card used with 32GB, the longer trips can complete record (> 6h)
Motion detection or power-on signal lead to the recording, really practical.
Negative is so far only that the camera had lost twice their basic settings (time / date). When the car start going with me to the control screen for 30seconds at (adjustable), and I have it look then once the habit directly, since in this state, no shots are taken ..... So first date and time with 6 "clickers" the OK Apply, and then everything goes back as usual.
Use not the supplied software for evaluation, as there is much better and it's just "cool" when you can look at Google Maps on its way, incl. Acceleration in all directions, speed and video.
And even if it obviously still is no universal opinion on the use of such videos in court, it is a comforting feeling to know that one could oppose to the too often in transit idiots something without passenger.
