Health o meter Black Digital Lithium Scale: * Large platform design * 1.5" royal blue backlit display * Auto tracking for 4 users with 5 memories per user - compares current weight with last weight as well as weight a week ago, a month ago, and 3 months ago * Black lithium scale accurately measures weight up to 400 lbs. in 0.2-lb. increments * 4 load cell technology ensures accuracy and repeatability * Black lithium scale includes 2 AA batteries * 5-year warranty