Whilst the GoPro is a good camera, usage as an "accident camera" is not really ideal. Firstly in the supplied case, you can not connect the charger. Secondly, even though you can set it to "Looping Video" mode, it will create a new file every time you stop it meaning you will need to keep clearing the memory. Last but not least, you need to manually start and stop recording etc. A dedicated "accident camera" will automatically turn on and start recording when you turn on the car and will automatically delete old files once the memory card is full. In my opinion, if you want to a camera for the purpose you have there, get yourself a proper unit. Save the GoPro for the fun videos.