The GPS Speed Sentry is a GPS enabled speed monitor/car computer. It works on Windows Mobile Pocket PC handhelds with any NMEA compliant GPS, including Bluetooth GPS or SDIO GPS devices. It allows users to view GPS derived information on a series of display types. Information includes speed, elevation, position, bearing and much more:
3 user specified speed limits
audible warnings for over the speed limit and nearing speed limit
sounds can be customised by the user
units can be in imperial or metric
various easy to read information displays
large buttons which allow easy changing of display/speed limit (using your finger or stylus)