For cross-sport training Speed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training. G1 GPS sensor provides speed and distance in various outdoor sports, so you know its worth all the effort. Measures your heart rate combined speed and distance Helps you to train at the right intensity with personal training zones Displays how many calories youve burned Tracks your latest 16 training sessions and your last 16 weeks of training [ RS300X SD ] [ RS300X ] Basic features Automatic/Manual target zone (% / bpm / HRR%) Backlight Display zoom Easy start (setting wizard) Event Countdown Timer Graphical target zone indicator Heart rate (displayed as % of maximum heart rate) Heart rate (displayed as bpm) HeartTouch , button-free operation of wrist unit KeyLock Over-sized display User configurable displays Visual and audible alarm in target zones Water resistant - 50m two lines Cycling features Bike mount - opt.
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