Amazon.com Product Description–January 21, 2008
Whether you’re sailing the high seas or hiking the backcountry, Colorado 400c is your all-in-one adventure guide. Preloaded with BlueChart® g2 coastal charts, Colorado is made with the saltwater mariner in mind. Packed with features, it includes a high-sensitivity receiver, barometric altimeter, electronic compass, SD card slot, color display, picture viewer and more. Even exchange tracks, waypoints, routes and geocaches wirelessly between similar units. Slim, lightweight and waterproof, Colorado is the perfect companion for all your outdoor pursuits.

Watch an interactive demo.

Share Wirelessly
Share your waypoints, tracks, routes and geocaches wirelessly with other Colorado users. Now you can send your favorite hike to your buddy to enjoy or the location of a cache to find. Sharing data is easy. Just select “send” to transfer your information to other Colorado units.

Keep Your Fix
With its high-sensitivity, WAAS-enabled GPS receiver, Colorado locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep canyons. The advantage is clear — whether you’re in deep woods or just near tall buildings and trees, you can count on Colorado to help you find your way when you need it the most.

Explore More
	The Colorado 400c comes with built-in BlueChart g2 coastal charts and a worldwide basemap with imagery — perfect for all your outdoor pursuits. Map detail includes includes shorelines, depth contours, navaids, harbors, marinas, port plans coastal roads for the U.S. and Bahamas.

Expand Your Horizons Colorado also accepts SD cards, so you can use Garmin preprogrammed SD cards to add maps that serve any and all of your outdoor activities on land or water.
Streets	Inland Lakes		Terrain	3D Terrain
Conveniently plug in optional preloaded SD cards for all your outdoor activities on land or water. Just insert a MapSource card with detailed street maps, and Colorado provides turn-by-turn directions to your destination. Add select topographic maps to take advantage of Colorado’s 3-D map view which gives you a better perspective of your elevation. The card slot is located inside the waterproof battery compartment, so you don’t have to worry about getting it wet.

Rock on. Find Fun
		Colorado’s innovative Rock ‘n Roller input wheel for easy one-handed operation and intuitive screen interface make it as easy to navigate the device as the outdoors. Customize Colorado’s interface based on your favorite activity. Even show off photos of your excursions with its picture viewer.

Experience Paperless Geocaching
	Colorado supports Geocaching.com GPX files for downloading geocaches and detail straight to your unit. You’ll have at-a-glance cache descriptions and details to aid in your search.

Get Your Bearings
		Colorado has a built-in electronic compass that provides bearing information even while you’re standing still. Its barometric altimeter tracks changes in pressure to pinpoint your precise altitude. View elevation data before you begin your ascent or descent. You can even use the altimeter to plot barometric pressure over time, which can help you keep an eye on changing weather conditions.

Interactive Demo

Product Description
Saltwater mariners will love the built-in detailed BlueChart g2 coverage for the coastal U.S. and the Bahamas in the 400c. The chart detail includes shoreline,depth contours, navaids and port plans.