1) **0p or ***0p full-time recording (not just a few seconds before accidents and just after an accident)
2) good quality recording in the night
3) anti-glare lens
4) GPS location, speed recording that can be played back on a computer and reviewed via google maps or some other map
5) lane departure system is not necessary
6) recording into a separate folder when an accident or violet acceleration, deceleration, lane change, etc. occurs
7) possibly a camera pointing inwards towards the driver to see if he/she is dozing off, using cell phone, wearing seatbelt, etc…
8) other various features in it