This easy-to-use is the perfect navigational solution for boats, sailboats or small watercraft that do not have a chartplotter. Itâs also ideal as an important emergency navigation backup for all vessels. Its high-sensitivity GPS marks and stores 1, 000 waypoints and 100 tracks so you can navigate right back to them. Use on land or water â it floats! Features SailAssist, including virtual starting line, heading line, countdown timers and tack assist. Specifications• Physical dimensions: 2.6" x 6.0" x 1.2" (6.6 x 152.2 x 3.0 cm)• Display size, WxH: 1.4" x 2.1" (3.6 x 5.4 cm); 2.6" diag (6.6 cm)• Display resolution, WxH: 128 x 160 pixels• Display type: 4 level gray LCD• Weight: 7.2 oz (203.1 g) with AA batteries• Battery: 2 AA batteries (not included)• Batttery life: +18 hours• Water rating: IPX7• High-sensitivity receiver: Yes• Interface: Serial and USB• Waypoints/favorites/locations: 1, 000• Routes: 50• Track log: 10, 000 points, 100 tracks• Floats: Yes• Hunt/fish calendar: Yes• Sun and moon information: Yes• rea calculations: Yes 4 Level Gray Color 128 x 160 Pixels Resolution 2.6 Inch Length x 6.0 Inch Width x 1.2 Inch Height | GPS Handheld Navigator in Grey