Polar FT80G1 Black Heart Rate Monitor Watch with G1 GPS Sensor Sophisticated heart rate monitor watch with several innovative training features Intelligent training computer helps you achieve maximum workout efficiency Displays heart rate as percentage of maximum, bpm, and within target zone indicator Includes G1 GPS sensor for measuring speed and distance during outdoor sports Offers ZonePointer and Polar OwnZone modes; water-resistant to 30 meters; 2-year warranty