Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Very Inaccurate

This device is so inaccurate that it's not only out of the ballpark, it's not even in the same county.We have one of these at our fitness center where I work and it is consistently WAY off. According to a professional-grade scanner (InBody 230) and (and confirmed with caliper testing), my body fat percentage is 10-10.5%. The Omron HBF-306 monitor most recently reported my body fat % as 17.3. That's an absolute error of at least 6.8% and a relative error of at least 64%. With that kind of inaccuracy, what's the point?The price makes it appealing, but for the same price, you're better off getting a quality caliper and tape measure set. Not as convenient, but far more accurate.