Forerunner 110 W/HRM by Garmin GPS-enabled trainer watch accurately records your distance, time and pace High-sensitivity GPS receiver stays locked on satellites, even near tall buildings or under tree cover Rechargeable battery provides 8 hours life in training mode, 3 weeks in power save mode Upload data to Garmin Connect site to view workout summaries, create goals and more Includes heart rate monitor for heart rate-based calorie computation