OMRON BF 306 body fat monitor (for measuring body fat): Body fat monitor with two-sensor measuring system using a bioimpedance method. The device takes the measurement in the upper part of the body, shows body fat content (4-50%), and calculates BMI value: Body Mass Index (7-90). It is a clinically proven, validated device, developed and approved by professionals. Measuring is fast and accurate, handling very easy. The device has a memory to store entry data for up to 9 persons and is suitable for checking your health condition and fitness (it distinguishes between fat content decrease and water content decrease in a diet).