With a groundbreaking touchscreen interface, saltwater navigation, geocaching and a vivid display, the Garmin Oregon 400c offers a refreshingly fun and easy GPS experience. Enjoy vibrant U.S. coastal water mapping with preloaded BlueChart g2 software and worldwide basemap. Large, sunlight-readable screen offers crystal-clear colors and high-resolution images. Easy, intuitive touchscreen operation is enjoyable and simple to use. Waterproof MicroSD card slot for storing additional data accepts Garmin MapSource data cards and software. Built-in electronic compass and barometric altimeter provide additional navigational aid. Supports Geocaching.com GPX files for downloading detailed geocache descriptions, terrain, difficulty and hints directly into GPS unit. Groundspeaks Wherigo Player application comes pre-installed and includes an instructional tutorial learn more at www.wherigo.com. Built-in basemap stores up to 1,000 waypoints, 50 routes and 20 tracks with up to 10,000 points. Enjoy effortless sharing of waypoints, tracks, routes and geocache locations between Oregon and Colorado series units with ANT wireless communication function. High sensitivity receiver and HotFix satellite prediction provide rapid first fix and help maintain signal, even in urban canyons and under dense foliage. WAAS Wide Area Augmentation System enabled receiver delivers accuracy to within 10 ft. in North America. Offers configurable profiles for end use: auto, marine, recreation, fitness and geocaching. Operates on 2 AA batteries sold separately. Rugged, waterproof construction protects unit from bumps, dust and moisture meets IEC 60529 lPX7 standards can be submerged 1m for up to 30 min.. Compatible with Garmin heart rate monitors and GSC 10 Speed and Cadence Sensor, sold separately. Features JPG image viewer, outdoor GPS games, hunt/fish calendar and sun/moon/tide data.