Healthy Heart Rate: GPS Sensor by Polar Review

I was a bit concerned about this item when I read the problems that some people had experienced using this accessory. Problems with battery voltage and turning off after a short time. I ran a 6 mile run with it and there was no record of the run when I returned. The documentation gave the impression that the GPS unit would be already matched to my RS800cx Polar watch. I went through the matching procedure again and ran 7 miles through Boston Common and along the Charles River (on vacation). This time the the .gpx file opened in Google Earth and showed the whole run accurately covering the path that I had taken. I have used the same AA battery for the 3 runs used to date with no problems.

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Product Description:
114250 Features: Never lack for accuracy with the G3 versions inbuilt SIRF III that provides precise GPS data even in forested areas Run or bike as fast as you want, the G1's speed range is 0-1236 mph (0-199 kph) Specifications:

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