Smart Body Scale Bluetooth: Multi-function with measures weight, body fat percentage, BMI/BMR, Muscle, Visceral Fat, Bone mass, Water level, Protein and body age,help you and your family measure and manage your health stats.Fat Monitor Scale: The Yolanda digital scale weighs only 1.54 lbs. Large LCD display with black light makes it easy to read the results. Simple and fashionable desighn allows it to fit in any room style.Body Scale Analyzer: The Yolanda App is designed for all members of the family. All family members can conntct to Yolanda App and check body information from it.Smart with an APP: You can set your goal in Yolanda App and the APP will calculate the best weight that you need to keep. In the near future the App will continue to upgrate and work out a intimate reminder and urge you to accomplish your goal.Long standby time: The TI Power Management Chip bring steady and long battery life. 4 pcs AAA batteries can work about 150 days.