This bold Redclvoer XPLOR GPS/HRM watch features the latest in GPS and HRM technology from Redclover. The Redclover GPS offers precise GPS tracking and HRM tracking capabilities. Tracking and training software is included with each watch as is a plug-in charger to charge the watch so it can power the GPS functionality. A HRM strap is also included with the watch and a full set of instructions and heart rate zone alarms can be set for workouts to ensure you stay within your target zone. To give you an idea, this technology is comparable to Nike and Garmin GPS watches. By comparable I mean very similar. The watch can be used anywhere worldwide where a satellite signal is available.