Garmin's GPS

Waterproof, GPS and USB connector, high sensitivity receiver, altimeter, electronic compass, add-on capability, 3.7 GB memory card, recorded paths up to 10,000 points, and up to 2000 point stations.

Outdoor features:

Auto routing, information about the sun and moon, tide tables, area calculation and image viewer

Screen Size (Width at Height) 4.4 * 3.5 inches

Screen resolution (Width at Height) 240 * 320 pixels

Battery Type 2 AA Lithium

Battery life 25 hours

Physical size 5.4 * 10.3 * 3.3 centimeters

Weight 141 g