Ph D Fitness Overview Specially designed for outdoor enthusiasts & snow lovers, the AXN300 lets you push yourself further & challenge yourself more. With features that allow you to keep up with the weather & your altitude, it has everything you need to help you move onwards & upwards. Highlights Measures heart rate combined with altitude & vertical speed information In-built barometer monitors then graphically displays weather changes to keep you safe on the slopes Tracks your vertical speed to show how fast you have ascended or descended Tracks how many runs you have taken on a ski slope Water resistant to up to 100 metres/10 bar for canoeing & water-based activity Calculates the calories you’ve burned during your training Exercise Features Altitude, ascent & descent Average heart rate of total exercise Exercise Date HR-based target zones with audible alarm HR-based target zones with visual alarm HRmax (age-based) Independent Count Down / Count Up timer Maximum heart rate of total exercise Polar Fitness Test™ with Own Index® Polar Own Cal® Polar Own Code® (5k Hz) Wireless ECG accurate heart rate Recording Features Automatic Logbook with circular memory Calorie expenditure Exercise file info page with date & time Exercise Time (total) Last Own Index Number of exercise files (with summaries) Season totals Target zone limits Time in target zone