Detecting health: Monitor your fat status to stay healthy, ergonomic and stylish design, small, light, discrete, fits in your gym bag, and simple one-handed design for comfort. With a caliper measuring tool for body fat. Digital intelligent body fat scale: Work button is represented by the corresponding characters. Get your body fat measurement based on your skinfold thickness as opposed to the standard BMI measurements based on your height and weight. High precision: Body fat percentage caliper can be used to accurately measure the body fat range of 0-50mm, accurate and reliable. It is applying to skinfold of abdomen, chest and underarm to obtain an overall measurement and relative result. Easy to use: Pinch a fold of your skin. Then take the caliper squeeze the fold your skin between the calipers. Push the the hold button then release when reading comes up. Then repeat 2x to get a average reading. High quality: Body fat caliper are made of high quality ABS material, it is durable and grips the skin pleats softer than metal calipers, a higher quality system measurement.