Up to 450 lb. in 0.2 lb increments (kilogram version available) 0.1 lb Resolution (50g in kilogram version), Target Weight Function automatically calculates difference between desired and actual weight. Body Mass Index-automatically calculates BMI using weight-to-height ratio. 31 Measurement Memory-calculates difference between previous and current weight. Easy to recall one month history of weight data. Large, Clear Digital Readout, Low Profile & Anti-Slip Design Battery Operation with Auto-Power Off 3 Year Warranty.