[foxylad]

I doubt that data would be useful in court without a lot of other supporting evidence. To sue the imbecile who ran you over despite this device, you'd be far better buying an additional actioncam instead - that would likely show license plate and the driver's face.

But you do have a point that some research on the effectiveness of this device - compared to brighter lights or other cheaper measures - would make it a lot more desirable.