Electro-luminescent backlight.
Heart rate monitor.
Automatic/adjustable HR limits.
Visual and audible alarm in target zones .
Exercise reminder (visual).
Polar exercise features:
Wireless ECG accurate heart rate.
Polar OwnZone®
Polar OwnCal®
Polar Fitness Test™ with OwnIndex®
Polar Keeps U Fit ™ - Own Workout Program
Polar OwnRelax™
Polar Body Workout
Target zones with visual alarm
HR-based target zones with audible alarm
Fitness Bullets ( á 10 minutes in target zone)
Average heart rate of total exercise
Exercise Date
ZonePointer
Mobile connectivity:
Polar MobileLink.
Computer connectivity:
Transfer exercise data from wrist unit to Polar Personal Trainer web service via Polar WebLink (SonicLink/Infrared).
Transfer logos from Polar web site to wrist unit (UpLink).
Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar prodCompuct (UpLink).
Data transfer:
Internal / external non-Polar IrDA port.
UpLink.
Recording features:
Number of exercise files (with summaries): 12.
Exercise file info page with date and time.
Exercise Time (total).
Time in target zone.
Target zone limits.
Average heart rate.
Maximum heart rate.
Last OwnIndex.
Calorie expenditure (Exercise/Total/Fat%).
Fitness Exercise Diary.
Fitness Exercise Diary with personal targets.
Stopwatch.
Alarm.
Dual time.
Exercise reminder (visual/alarm)
Low battery indicator.
Resin case and band.
Dimensions: For MEN.
Warranty: 2 years.
You can see Instruction manual (PDF) Polar F55