GPS-Enabled to Measure Pace, Speed, Distance and More in Real-Time * Fast, Reliable SiRFstar IV GPS Technology with 8-Hour Battery Life * Highly Customizable, Easy-Read Screen Shows Two or Three Lines of Data at a Glance * USB Rechargeable and Water-Resistant Rated to 165 feet (50 M) * 15-Workout Memory with Free Online Downloading and Desktop Software