Garmin GPS 73 portable

GARMIN GPS 73 is heavy-duty and watertight. 12-channel receiver with 1-Hz GPS antenna for higher precision. 2.6-inch high-contrast single-colour display, 100 routes that you can navigate back to, specific navigation backup. GPS 73 is NMEA 0183 compatible. To transfer data to your device, it easily connects to your computer via USB and you can save navigation data or create routes via the free Garmin HomePort™ software.
An exclusive function allows you to set a starting line between two points and synchronize it with the regatta countdown timer to make sure you cross the starting line at the right time.
Internal database of the biggest cities, spotlights, navigation lights and lighthouses. 12/24-volt cable supply (OPTIONAL) or with 2xAA batteries; dimensions 6.6 x 15.2 x 3.0 cm, weight 218.3 g (batteries not included).