Ecopower. Does not use batteries. By pressing the eco power push button, Electrical Energy required in order to operate is automatically generated, which makes it more enviedmentally-friendly. Body Fat, Muscle Mass, Bone, Water and Body Mass Index. UTSerclever: Saves parameters of 4 users, for you to check prior results and track your progress. Four Precision. STIs 4 high-precision sensors allow more precise and exact measuring. Easy Usability Thanks to the Auto Shut-Off Function, The Fast and Simple Power-on and its Overload Indicator. LCD Display. it has automatic substart function. Safegrip. Includes 4 Support Feet That Improve Floor Grip and Add Security. Auto Shut-Off After 3 Seconds of No use.