The EatSmart Precision Get Fit is an advanced bathroom scale for individuals who are serious about taking control of their health. This scale can measure weight body fat body water body muscle and bone mass using BIA technology (bio-electrical impedance analysis) technology allows you to easily calculate your body fitness by inputting information of gender height age and activity level. This technology sends a low-level harmless electrical signal through your body and then measures the resistance which is translated to a percentage. The sleek design uses invisible electrode material to transmit the signal versus the stainless steel on other scales. The Precision Get Fit scale stores up to 8 different users' personal profiles and uses auto recognition technology to recognize these users as soon as they step onto the scale. Just stand on the platform barefoot and the user is identified based on past weight. It measures up to 400lbs and is accurate to the nearest .2 lbs. The touch screen interface makes it one of the most user friendly bathroom scales on the market today.