s you're getting in shape, watch your body fat improve with the Omron HBF-306C Body Fat Analyzer. Measures body fat with a gentle, micro-electric current. It delivers the measurement results for Bi method (Bioelectrical Impedance Method) and BMI (Body Mass Index). Analyzer has two modes ? athletic and normal to provide accurate results based on your exercise regiment. Delivers results quickly ? in less than 10 seconds. Get your whole family in shape; keeps a memory profile for up to nine people. Runs on two AAA batteries (included).