Everyone reviewed this product in a very positive manner. I purchased this and compared the results vs my Body Fat Test at the Dr Office - and this device was off considerably ! I also purchased a Taylor Branded Body Fat Analyzer that apparently offers the same technology to measure body fat - and it was extremely close to the results that I received from my Dr.I also question the additional "Innerscan" body percentages. When I called Tanita Customer Service, they could not justify Bone, Muscle Mass, and Metabolic Age readings and were extremely vague in the interpretation of the features.Even though Tanita was the first to offer Body Fat Monitors...I would say first is not best !