GPS-enabled watch measures pace, speed, distance, and more, in real-time * Fast, reliable signal with SiRFstar IV GPS technology; constantly updated heart rate information via the included wireless monitor * Customize the display feed with four unique sets of data, which you can download and plot over time to track progress * Highly customizable, easy-to-read screen shows three or four lines of data; interval timers, alerts, and 15-workout memory * Includes limited one-year manufacturer"s warranty