Maximize your workout productivity with this GPS training wristwatch that allows you to keep track of your calories burned and workout pace. Compact, lightweight and water-resistant design withstands the elements. ANT wireless heart rate monitor with comfortable chest strap eliminates cross-talk with other devices and reliably measures heart rate data. View detailed workout history with average pace, speed and calories burned. High-Sensitivity SiRFstar III GPS provides reception in wooded areas or around tall buildings. MultiSport lets you customize profiles for running, cycling, windsurfing and other sports or users. Auto Pause feature pauses and resumes training timer based on a specific speed; Auto Lap allows for customized settings based on location or distance. Mark and find locations for simple navigation of routes. Course feature lets you race against previous workouts. Create and schedule workouts. Auto Scroll cycles through data pages during a workout. MotionBased Web-based application provides more in-depth analysis of your workouts; MotionBased.com provides an online training log, interactive mapping and the TrailNetwork, which allows you to post and share routes with fellow athletes. Virtual Partner displays a graphic virtual partner that will run with the set goal, so you can see at a glance if you're keeping up or falling behind. Rechargeable lithium-ion battery with up to 10 hours battery life. Garmin Training Center software allows for detailed analysis of your workout data, including the ability to overlay your workout onto a map. WAAS-enabled.