Garmin Foretrex 401<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Keeps track of routes， tracks and waypoints， and heart rate with add on heart rate monitor (sold separate). Uses standard AAA batteries. 2 required.</li><li>Features high-sensitivity GPS receiver with HotFix for improved performance and reception in heavy tree cover or deep canyons</li><li>Supports dual position readout so user can view current location in multiple formats</li><li>Keeps track of routes， tracks and waypoints， and heart rate with add on heart rate monitor (sold separate). Uses standard AAA batteries. 2 required.</li><li>TracBack feature retraces user's path on the easy-to-read LCD display</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41dR3EzZ9vL.jpg" noproxy>