The Active GPS Trip Meter features GPS and GLONASS for greater accuracy. It requires no costly installation; simply plug into your power socket and start measuring. Easy to operate with a full colour touchscreen, this unit can display 2 trips simultaneously.
The Hummingbird GPS Trip Meter measures distance utilising both GPS and GLONASS. Two independent distance readouts as well as speed and other statistics are available and no installation is required - Plug 'n Go.