This item is a weight scale made of tempered glass and plastic. It is very for there are 4 high-precision sensors. You can see the result as soon as you step or you put something . Elegant apprance and portabe size, it is a good friends or family. Feature - Color: White. - Material: Stalinite. - Size: 28 8 cm. - Analysis of 14 Physical Data(Body weight, BMI, Fat- weight, Protein, Visceral Fat, Muscle Mass, Bone Mass, , Body Water, Basal Metabolism Rate, Subcutaneous Fat, Skeletal Muscle, Physique Rating, Metabolic Age). - By adding him as a friend on ,you can check his measurement records.Add an unlimited number of home users,Store health data for all users. - Historical Measurement Records,Check the change of your historical BMI. - Through three alarms a day, it supervises and reminds you to weigh yourself, making it possible for you to feel the change that's happening to your body. - The product is covered by the 30 days return . If there is within one-year after-sales service period, we will provide a new replacement . Package list: 1 x weight scale