Polar RS800SD Heart Rate Monitor - the NEW top of the range Polar RS800SD heart rate monitor has been specifically designed with runners' needs in mind. Quick change training zones, clearer identification of current HR intensity and improved crosstalk prevention to avoid unwanted interference. Polar RS800SD Heart Rate Monitor. The RS800SD has been designed for serious endurance athletes and competition runners. Wireless ECG accurate heart rate. Polar sport zones. Polar OwnZone & Polar OwnCal. Polar Fitness Test with OwnIndex. Polar OwnCode (2.4 GHz) W.I.N.D. Polar OwnOptimizer. HR-based target zones with visual alarm. 3 - HR-based target zones with audible alarm. 3 - HRmax(Polar Fitness test-based) - HRmax(age-based) - Interval timers. Maximum/Average/Minimum heart rate of total exercise. Average/Maximum heart rate of each lap. Number of laps - 99 - Exercise Date - Altitude and ascent. Interval trainer (HR, pace, distance) guided workouts. ZonePointer. Zonelock. Polar OwnCal - Transfer exercise data from wrist unit to polarpersonaltrainer.com via Polar WebLink (SonicLink/Infrared) - Compatible with Polar ProTrainer 5 software |