Trek & Mountain - "Best in Test" Outdoor Fitness - "Product of the Month" Feb 2013 Altimeter, barometer and 3-axis compass with automatic sensor calibration Up to 1,000 waypoints and store up to 10,000 track points TracBack reverses the track log to navigate back to your starting point Wireless capability to share routes, tracks, waypoints with other devices Compatible with wireless heart rate monitor, cadence sensors and tempe™ wireless temperature sensor