Holistic Health: Instantly learn 12 insightful measurements of your body’s health, such as Weight, Body Fat, BMI, Bone Mass, Muscle Mass, and more. Know Your Body: The EufyLife app automatically records insightful health data. Progress and health trends are traced automatically over time. High Accuracy: Two pairs of sensitive sensors ensure precise and correct measurements. FDA-listed for complete reliability. For The Whole Family: Up to 20 accounts, each with multiple, users can track their health measurements and large 1.25” numbers are easy to read for all ages. What You Get: BodySense Smart Scale, AAA batteries x4, welcome guide.