Polar RS800CX Multi Sport Heart Rate Monitor Watch with G3 GPS Sensor W.I.N.D. Sophisticated training watch designed for dedicated, multi-sport endurance athletes Integrated Polar ProTrainer 5 software lets you create custom GPS routes and maps Displays heart rate as percentage of maximum, bpm, and within target zone indicator Includes G3 GPS sensor for reading speed and distance on land, snow, or water Built-in altimeter for altitude analysis; 12/24-hour clock; 2-year warranty