Strengths: Resonsive and sympathetic customer support team - Thank goodness, you may need them! Very accurate distance measurement (assuming no signal loss). (Almost) 'normal' sized wristwatch.
Weaknesses: Unreliable heart rate readings ranging from 30 to 240bpm (when the monitor works) Too many pieces of kit, 3 of which have to manually switched on and off, and (it seems) in the right order - good luck! Can take minutes to 'lock on' to GPS if you're anywhere near ANY buildings. GPS unit is battery hungry. GPS signal drops out occaisionally. I've had the DataRecorder2 and HRM replaced free of charge. I've also bought my own relacement HRM. After a few merry weeks, same old problems - no Heart Rate recordings.
Overall: Extreamly dissapointed. If you can get one that works probably not a bad system Wish I'd kept my polar 610i?
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