http://www.thetam.net/tools/tanita-bf680w-duo-scale-plus-body-fat-monitor-with-athletic--bed-bath-the-best-online-store/ This device might look like a scale, but it presents a broader snapshot of personal health by not only determining weight, but estimating body fat as well. It does this by sending a safe, imperceptible, low-level electrical pulse (50 kHz) through the body. (Healthcare professionals use similar electrical-pulse devices to estimate body fat by what is known as Bioelectrical Impedance Analysis, or BI... Fri, 05 Mar 2010 20:24:36 ICT en