Metro Fulfillment House eHealthSource GBF-835 Digital Bathroom Scale, 440 Pound, Black Step-On Technology automatically powers on upon contact to display weight measurements and automatically powers off to conserve battery life Uses advanced technology to calculate Body Fat, Body Hydration, Muscle Mass and Bone Index measurements within seconds of stepping onto the scale The Metro Fulfillment House bathroom scale has 3 Touch Sensitive Buttons for easy operation and 4 icons that automatically illuminate Metro Fulfillment House bathroom scale uses the technology of 4 precision sensors to weigh up to 440 pounds (200 kilograms) The Metro Fulfillment House bathroom scale has a sleek surface that is made of high quality impact-resistant tempered glass