This Weight Watchers digital glass scale is built with sophisticated semiconductor, multiple load cell system technology to accurately reads user data. The safe, impact-resistant glass platform is suspended on graceful feel and has a capacity of 400 lbs. Engineered to the highest precision standards Semiconductor technology Oversize, high-visibility 1.9" LCD Displays weight in 0.1lb or 50g increments 400lbs/180kg weight capacity Large, safe, impact-resistant glass platform "Tap-on" scale activator Scale operates on 3 AAA batteries (included)