Gekos are the smallest and lightest waterproof GPS units on the marketinexpensive, with sleek designs and simple operating systems. With its sturdy, dark-gray case, the Geko 301 packs an amazing amount of functions into its slim frame. It has all the features of the Geko 201, plus an electronic compass and a barometric altimeter. The compass provides bearing information while you're standing still, and the altimeter determines your precise altitude and provides a 12-hour pressure-trend tool for gauging changing weather conditions. The Geko 301 also includes five interactive games that transform the great outdoors into a virtual board game, including the new Gekoids, which takes advantage of the electronic compass. You can also enjoy a good workout while chasing a virtual lizard in Geko Smak, match symbols in a grid version of Memory Race, navigate to reference points without crossing one's trail in Nibbons, and collect symbols along a path in Virtua Maze. Geko 301 Features: * Built-in electronic compass * Barometric altimeter for elevation and weather pressure measurement * Accuracy of three meters or less with WAAS * Five simple buttons for easy, one-hand operation * Weighs only 3.4 oz (with batteries) * Compact 1.9" (W) x 3.9" (H) x .96" (D) size * 64 x 100 pixels high-contrast display * Up to 9 hours of battery life (typical use) on two "AAA" batteries * 500/20 waypoint/route storage * 10,000 trackpoints and 10 saved tracks available * External port for PC connectivity and external power * Submersible for 30 minutes in one meter of water (IEC 529 IPX7 waterproof standards) * Five entertaining, interactive outdoor games