Mio MiVue 388 Zwart

Continuous, automatic video recording of your journey ; GPS-tagged recordings that you can view alongside a map ; G-sensor information included with location and video

Primarily useful if you are worried about accidents ; Your car power output can't be used by a sat-nav at the same time ; Relatively pricey for a single-purpose device

The MiVues contain G-sensors, too, so they will trigger a special recording when they detect an impact or when you take a corner too quickly. You can also press one of the buttons on the device to earmark a recording as an emergency clip rather than...