While the accuracy of any device that uses a container to measure muscle, bone, water and body fat is debatable, this scale works great with my Garmin 910. I'm a compulsive data collector , so I'm used to drawing a trend line or regression of data points that change from day to day. If you need precision, visit the Olympic Training Center with a dive tank or body pod. This is the only way to get more accurate and consistent readings.
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