POLAR RS400sd Heart Rate Monitor Watch
- Wrist-style heart rate monitor and stopwatch geared for active endurance athletes.
- With included S1 footpad, take advantage of the RS400's Speed and Distance functions.
- One of the largest displays in the industry and a fully user-configurable exercise view.
- Includes Polar Protrainer 5 training, planning and analyzing software.
- Dual time zone, alarm with snooze, and water resistance to 50 meters.