Has all the features of the RS300X range excluding the ability to add GPS sensor.
Comes with Pro Trainer 5 software - This gives the user the ability to download planned training sessions to their wrist unit plus gives them the ability to fully analyse completed sessions.
Uses the infrared USB stick for two-way data transfer.
Has Running Index - Using heart rate and speed data obtained from the users session this function is able to give them information about their aerobic fitness and running economy.
As their running effciency improves this will show an improvement in the running economy and performance.
99 files in memory.
In the Box:
RS400 - Polar RS400 Training Computer, Polar H1 heart rate sensor, Polar IrDA USB Adapter, Polar ProTrainer 5 software CD and Guide Book.
RS400sd - Polar RS400 Training Computer, Polar H1 geart rate sensor, Polar S1 Food Pod, Polar IrDA USB Adapter, Polar ProTrainer 5 software CD and a Guide Book.