For professional and devoted athletes who want to reach peak performance Measures every training session and 24/7 daily activity Helps you understand your training load and recovery need Tracks your speed, distance and route with integrated GPS Fully customisable sport profiles to get the most out of your training Supports multisport training with transition times Gives heart rate even in water with a comfortable dual-mode transmitter Allows you to plan and analyse your training with the free Polar Flow app and service Compatible with Polar Bluetooth Smart running and cycling sensors Waterproof to 30 m/100 ft Body measurement features 24/7 activity tracking Orthostatic Test User-definable heart rate zone limits HRmax (user set) HRmax (age-based) Polar Fitness Test Polar OwnCal Smart Calories HR-based target zones with visual and audible alarm Average and maximum heart rate of each lap Automatic age-based target zone bpm / % Average, minimum and maximum heart rate of training Heart rate bpm / % Heart rate zones Training Benefit Training load Recovery status Training features Interval trainer guided workouts - heart rate / distance HeartTouch - button-free operation of wrist unit Vibration and audio alerts Swimming metrics Tap gestures Number of laps - unlimited Training computer settings Graphical target zone indicator Automatic lap recording Sport Profiles (adjustable) Transition times in multisport training Multisport training ZonePointer User configurable displays - all lines Training reminder ZoneLock Polar Flow web service features Steps Advanced training analyzing Map view Relive Sleep duration and quality Training targets Activity zones Advanced activity analysis Training diary Training load Recovery status Polar Flow mobile app features Steps Sleep duration and quality Mobile app compatibility Instant training analysis Inactivity Alert Display texts in English, German, French, Italian, Spanish, Portuguese, Dutch, Finnish, Swedish, Danish, Norwegian, Japanese and Simplified Chinese Easy data sync to the Polar Flow web service via Bluetooth Smart Integrated GPS features Back to start Route guidance Autostart/stop Distance - training, lap, trip and total Race Pace Speed/Pace - current, average and maximum Running Index Power save mode Cadence sensor Bluetooth Smart features Cadence - current, average and maximum Speed sensor Bluetooth Smart features Speed - current, average and maximum Distance - training, lap, trip and total Bike settings - for three bicycles Autostart/stop Race Pace Incline Measurement K-o Power sensor Bluetooth Smart features Stride sensor Bluetooth- Smart features Cadence - current, average and maximum Distance - training, lap, trip and total Jump Test Race Pace Running Index Average stride length Speed/Pace - current, average and maximum Speed/Pace-based target zones with visual and audible alarm Recording features Memory left indication Memory capacity 60 h training with GPS and HR Training diary R-R Recording Weekly history Altimeter and barometer features Temperature Altitude, ascent and descent - meters, degrees, percentage Data transfer Compatible with PC Windows XP, Windows 7, Windows 8, and later Compatible with Polar Flow mobile app via Bluetooth Smart Compatible with Mac OS X 10.6, OS X 10.7, OS X 10.8, and later Compatible with Polar Flow web service via custom USB cable Data export Training history export (polarpersonaltrainer.com) Training history export (ProTrainer 5) Watch features Backlight Firmware update Date and weekday indicator Display texts in 13 languages Button lock Battery life: Up to 13 h training time, 50 h in GPS low power mode, 30 days in time mode with daily activity monitoring Rechargeable battery with custom USB cable Time of day (12/24h) with alarm and snooze Water resistant - 30m Compatible with the Polar H10 chest heart rate sensor