DESC: Features Bath scale with wireless remote monitor unit Measures BMI (Body Mass Index) Up to 4 individual user IDs 7-memory function with date and time Large LCD display on bath scale unit Time and date on remote monitor unit Weight capacity up to 330lbs Beep indication to users Auto power off in 30 seconds Batteries: 4-AA (scale)/4-AA (remote monitor unit) Actual size: 11.25 in x 1.75 in x 12.25 in