General Instructions Kogan SmarterHome™ WiFi Body Composition Smart Scale KASHBDYSCLA applies BIA (Bio-impedance Analysis) technology. A small amount of weak current flows through the human body so as to detect the bio-impedance and estimate BMI, body fat, body water, muscle mass, bone mass and BMR. The electrical current is small and may not be felt. This BIA technology is cheap, safe, non-invasive, toxic-free and harmless. It also possesses the characteristics of simple operation and abundant information.