"The Equinox EB-EQ 33 Body Fat Analyzer is your ideal solution to keep an accurate track of your body fat. Accumulated body fat can be very dangerous, and it is important that fat levels are kept within limit. This device comes with a strain gauge sensor, so all readings are highly accurate. Besides displaying the body fat, this product also displays body water, bone weight, body weight, and muscle mass. This makes this product even more useful. The graduations for body fat display are 100 gm. This device requires 4 1.5 V batteries to run. It also comes with a manufacturing warranty period of 1 year.