The Omron Full-Body Monitor and Scale provides Full Body Sensing - a comprehensive understanding of your body composition to help you reach your fitness goals. Full-body sensing with hand-to-foot technology is more accurate than foot-to-foot monitors. Measures 7 fitness indicators—body-fat percentage, BMI, visceral fat, skeletal muscle, body age, body weight, and resting metabolism. Features 4-person memory settings and a large LCD display. Includes easy on/off switch at the base. Easy to use. 90-day memory. Requires 4 AA batteries (included). One-year limited manufacturer warranty