Garmin GPSMAP 76Cx Handheld GPS - A rugged waterproof colour screen handheld GPS which will also float! The unit accepts preloaded BlueChart microSD cards for easy marine navigation. A blank 128MB microSD card is also included onto which can be loaded optional Bluechart or Topo cartography. The high-sensitivity GPS receiver aquires satellite signals quickly and tracks your location in challenging conditions. Specification • Waterproof (IPX7) • Dimensions: W6.9xH15.7xD3.0cm, Weight: 218g with batteries • Display Size: 4.1x5.6cm/120x160 pixels • Display Type: 256 Colour transflective TFT • Battery Life: 18 hours on 2 AA's (not included) • Waypoints: 1000, Routes: 50 • TracBack™ feature • Track log: 10,000 points In The Box: GPSMAP 76Cx, Basemap, 128MB microSD Card, USB Cable, Mapsource Trip & Waypoint Manager CD, Wrist Strap, Owner's Manual, Quick Start Guide.