Multi-satellite navigation, automatically updated satellite images, and rugged construction make the Garmin GPSMAP 66s a valuable addition to your outdoor adventure gear. Designed for such activities as hiking, hunting, climbing, geocaching, kayaking, and mountain biking, this navigator features a 3" sunlight-readable screen, giving you a good look at the BirdsEye Satellite Imagery aerial photos of surrounding terrain. There's no need for a subscription—the BirdsEye images update automatically direct to the device. Use them to find trails, trailheads, and clearings for campsites, to pick stand locations for hunting, to find parks and parking for geocaching, and even to create waypoints based on landmarks. A three-axis compass and barometric altimeter help to plan and track your route