Measures 7 different fitness indicators: body fat percentage, BMI, skeletal muscle, resting metabolism, visceral fat, body age, and weight -Accurately measures body fat percentage using proven bioelectrical impedance method -Easy-to-read digital screen displays body weight up to 330 pounds in seconds. Recommended to take the measurement in the morning before exercise, eat, drink or take a shower -Stores up to 4 individual profile settings so the whole family can track their progress with 90 days of memory -Retractable cord makes it suitable for adult users up to 6' 6 3/4' tall.if the weight value is displayed abnormally low or high then Place the monitor on a hard and level floor.