Overall score includes:

Daylight picture (30%) was assessed outdoors on a sunny day.
Picture in artificial light (10%) was assessed in a well-lit covered car park (approximately 500-1000 lux).
Picture in low light (10%) was assessed with the subject lit by headlights (approximately 50 lux).

Picture quality was assessed while the vehicle was stationary and moving. We looked for clarity of image, detail, any blurring from vibration, and how well colours were represented.

Angle of view (30%) includes vertical and horizontal coverage.
Ease of use (20%) includes installation, set-up, ease of mounting and removing the camera, adjusting settings and viewing recordings.