USER MEMORY RECORD: The device can store data for up to nine definable users, and their records can be recalled anytime when needed; Furthermore, after each test, the increase or decrease from the last recorded increase will be automatically displayed for comparison. SHOWS BASAL METABOLISM: Utilizes human resistance impedance body and corresponding body parameters (length, weight, age, gender) to measure body fat percentage. Displays basal metabolism, which is the number of calories required to sustain life. EASY TO USE: The user needs to hold the device, after setting the data, press the measure button and hold the electrode handle with both hands to easily measure body fat percentage. QUICK MEASUREMENT: Measurement results can be read approximately 7 seconds after the screen displays. The results are very close to the water weight method, which is used as a benchmark for measuring body fat.