This Weightwatchers personal scale is the ultimate weight-watching tool. The 30mm electronic display, encased in a smart, ultra-slim, tempered glass platform, has a bold matt silver border and boasts a four-person memory. The personal bathroom scale measures body weight, BMI, body fat, and hydration levels, and has a maximum capacity of 28st, 8lb. To ensure accurate readings, it should be used on a solid, flat surface. Requires 1x 3V battery, not included.