Body fat scales measure how easily a small and safe electric current travels through your body between the electrodes (silver foot pads) you stand on.
The technical term for this is bioelectrical impedance analysis (B.I.A.).
CAUTION: DO NOT USE B.I.A. SCALES/MONITORS IF YOU HAVE AN IMPLANTED MEDICAL DEVICE SUCH AS A PACEMAKER.
The electric resistance and other information you enter into the scale (height, weight, gender, and age), is used in a formula to estimate your percent body fat.
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