The Garmin GPSMAP 78s is a rugged handheld GPS designed specifically for marine navigation. It features a high-sensitivity GPS receiver, a bright 2.6-inch LCD color display, and a built-in worldwide basemap. This device is built to withstand wet conditions; it is waterproof and even floats. With additional features like a microSD card slot for extra maps, wireless sharing capabilities, and a long battery life, the GPSMAP 78s is the perfect companion for boating and outdoor activities.
Garmin CW39035 GPSMAP 78s Floating Marine Handheld GPS Navigator