Power: 2 x AAA batteries (not included) Buttons: SET, POWER, START, UP, DOWN Storage temperature and humidity: -20~60 C, 10%~95%RH Gender: Male, Female Weight: 10~199.8 kg Height: 100~199.5 cm Operating temperature and humidity: 10~40 C, 30%~85RH Age: 10~99 years Introduction: Handheld fat measuring instrument 1. Body fat percentage is calculated from the five data points in the formula: height, weight, age, gender, and the resistance value between the 2 palms. This formula has been developed across various ethnic groups and tested. It is categorized as: low, standard, slightly high, and high. 2. BMI is calculated by: weight (KG) / height squared (M). It is categorized as: emaciated, standard, slightly overweight, and heavily obese. 3. Basic metabolism rate is calculated according to input personal data. It shows the usual daily heat consumption excluding the heat consumed during sports. 4. You can find out your body fat percentage in time and try to balance your daily diet and sports according to the measurement results, to achieve the goals of being healthy, fit, and beautiful. Features: 1. Wireless, handheld, lightweight, portable, easy to carry and use. 2. 9-person profile memory. 3. Easy to read with a large LCD screen. 4. Displays correct results in 6 seconds. 5. Displays correct results in 6 seconds. 6. Measures your body fat percentage, BMI, body shape, and basic metabolism. 7. After entering your personal data, a measurement can be started by simply holding the grip electrodes and pressing the start button. As the analyzer is built with a memory for nine person profiles, each member of your family or team can track the success of their individual fitness routines. 8. Body shape is categorized as: emaciated, standard, hidden corpulent, muscular corpulent, and corpulent. 9. Energy saving with automatic shutdown function. Package includes: 1 x User Manual 1 x Handheld Fat Measuring Instrument Note: Due to the differences between the various displays and manual measurements, please allow 0-2 mm error, and the pictures may not reflect the actual color of the item. For special groups, such as athletes and pregnant women, body fat percentage and BMI may not accurately reflect overweight status. Thank you for your understanding!