Lowrance Endura Sierra GPS

The Sierra GPS is fully loaded with detailed topographic maps, a state of the art GPS computer with electronic, sensor enhanced navigation with digital, stabilized 3 axis compass and altimeter. Yet even with all these features, it's easy to use. 4GB of on board memory stores a lot of map data. Sierra has pre installed high resolution premium outdoor content and pre loaded NAVTEQ road maps and POI content. Optional turn by turn with voice prompts. Directly accepts GPX trails and geocaches and PIOs from web sources. Trip computer records trails, times and speed. Multimedia capabilities. Port for mini USB. Micro SD slot accepts cards up to 32GB. 2.7 color touch screen with power standby mode. Waterproof with impact resistant rubber armor. Runs on two AA batteries not included.Dimensions 5.1 x 2.3 x 1.2. Weight 5.8 oz.