If is health consultants, and it provide an independent analysis of health data for each test,the test frequency is 20KHZ, 50KHZ, and 100KHZ, so the testing results is very exactly. Applicable to major fitness, body centers, medical centers, senior clubs, supporting projects of losing weight. This machine give instruction on guests' health and provide a scientific basis for losing weight effectively, Which is considered as an epoch-making results of the health industry. After your body composition analysis, you will be handed a print out with your results. There are fivesections on the print out Input, Results, Desirable Range, Indicator, and Physique Rating. It is important to understand the information in each section while you track your progress..syi