<br><b/>Greatfind body fat scale with body fat and water weight composition analyzer<br> 1.Q:Why Choose Greatfinds Digital Body Weight Scale? <br> A: Greatfinds smart body weight scale with Step-on Technology,Led display, tempered glass with the high accuracy 0.1lb, apply for the weight arrange 5kg-180kg (11Ib-396Ib), it is connected with Health Tree app, which can help analyze your body compositions and guide yourself to keep fit. <br> 2.Q: How to use this smart body weight scale? <br> A: Greatfinds smart body scale syncs with App "Health Tree", just download in the Google play or Browser. When you use it for the first time, register your account first, and then connect to Bluetooth. After each measurement, your body data will be automatically uploaded to the app. You can view and track the body data change graph through the app. <br> 3.Q: Why the user need take off their socks when they on scale, so it can register on the app?<br> A: It is depending on its working theories; the body fat scale adopts BIA bio-resistance measurement technology. The scale will send a weak current through the human body. Fat does not conduct electricity, and water/muscle is a benign conductor. The socks are insulators, so if you wearing the socks on the scale, it won’t register on app. <br><b/>Packing List: <br>1 x Digital Weight Scale, 2x 1.5V AAA batteries, 1 x User Manual. 24-Month warranty,