Polar RS800CX GPS G5 Heart Rate Monitor Wrist-based heart rate monitor designed to help aggressive multi-sport athletes track their training data Combines training files for different sports and synchronizes with Polar ProTrainer 5 software for guidance, analysis, and creating individual training settings Compatible with Polar ProTrainer 5 software; transfer exercise data from wrist unit to polarpersonaltrainer.com via Polar WebLink; Polar IrDA USB adapter or internal/external non-Polar IrDA adapter Comes with RS800CX GPS heart rate monitor, WearLink+ transmitter W.I.N.D., G5 GPS sensor, IrDA USB Adapter, ProTrainer 5 software CD, Getting Started Guide, and user manual Includes limited two-year manufacturer's warranty