Provides measurements in just seven seconds! Easy-to-use - just stand up straight with your feet slightly apart, select your personal data number from the analyzer’s four-person memory storage, and press “start.” Body fat percentage and body fat weight measurements are displayed on the large digital panel. Features include easy-to-read digital display, on/off button, key pad, set button, and mode selection (height, weight, age, male/female buttons). Illustrated instruction manual and two “AA” batteries included. Battery life approximately one year (measured two times per day). Dimensions: 9-1/3" W x 5-7/8" H x 2-1/2" D.