1.Measuring Function - Quickly and easily measure Body weight, Body , body water, Muscle mass, bone mass,BMI,BMR ,visceral 2.High quality - Made of high quality material. It is very sleek. The glass base is thick and the entire scale is sturdy and modern looking,automatically detecting and tracking up to 10 different people 3.High precision - the bluetooth body scale has an Utilizes 4 high precision sensors to weigh up to 400 lbs in 0.2 lbs or 0.1 kg increments 4.Auto on and Auto off - No more tapping or switching scale to turn on. Step on the scale and get instant readings. Auto-off if no further operation to conserve battery life, runs on 3 AAA batteries 5.Easy to connect and great compatibility - you can scan a QR Code on the manual to download the "new iwellness" app,the scale can connect with your smartphone via Bluetooth 4.0,it works well with Android 4.3 & IOS 8.0 or above Feature: -THZY bluetooth body scale is made of impact resistance tempered glass which is four times stronger than normal glass, boasts a reflective surface and elegant design. -Three weigh units: kg/ lb/ st:lb -Anti-rollover bottom design -Low power and overload automatic displayed Specifications: -Size:10.2*10.2*1 inch/260*260*27mm -Capacity:6.6-400lb/3-180kg(11lb/5kg to turn on scale) -Batteries:3*1.5VAAA -Division:0.2lb/0.1kg -Fitness levels:ordinary,Amateur and professional Package Contents: -1 x Body Scale -1 x Instruction Manual -3 x 1.5V AAA Batteries (Not include) Warning: 1.Not recommended for any person using a pacemaker or other internal device. 2.Not recommended for women who are pregnant,the measure-ments will be incorrect 3.Make sure your feet are bare and dry when you measure body and other data. 4.Do not take measurements immediately after intense exercise. Guarantee: The scale has been check for accuracy prior to leaving the factory and has a guarantee against any defect in either workmanship or materials for a period of 1 year.