Description Precautions 1.Please place the smart scale on a hard, flat surface for best accuracy 2.Calibrating Method :apply weight on the body fat scale, then wait 10-15s till LCD screen displays “0.0”. 3. we recommend weighing at the same time everyday to ensure accurate measurement. 4. The maximum weighing of the intelligent body fat scale is 400 lbs. Features ☞Body Trends Line:Temporal classification function provides the trend lines by Week/Month/Year, which could help you easily track body composition changes. ☞White LED Display:Fashionable hidden LED display, spontaneous light, bright and clear at any Angle. ☞Multiple User Profiles:Multiple users' automatic identification, MVPower Personal Scales always monitor your family's health.You can connect Twitter, Facebook and WeChat. ☞Precise Measurement :High-precision sensors can sense your weight at any time and measure accurate weight values for you. ☞ITO coating and BIA technology:ITO coating surface provides a transparent appearance and high conductivity for body analysis via bioelectrical impedance analysis (BIA). Specifications Measuring range: 6 kg - 180 kg Graduation: 0.1kg / 0.2lb Units: Kg / Lb /St Dimensions:11.8x11.8x0.9inch(310x310x24mm) Platform:Superior ITO glass Auto-Off: 10 seconds Package information 1 x MVPower Smart Composition Scale 1 x User Manual 4 x 1.5V AAA Batteries Features & details [4 High Precision Sensors] Intelligent body fat balance ensures rapid and accurate analysis of body composition through 4 ultra-high precision weight sensors, and provides high-precision sensor measurement with an increment of 0.2lb / 0.1kg, with a capacity of 400lb / 180kg, automatic calibration and automatic shutdown. [FREE FRIENDLY APP] Free download AIFIT app in Apple App / Google Play,AIFIT App is available for bluetooth 4.0 and supports Android 4.4 and IOS 8.0 or higher. Measurement data automatically syncs to your phone via Bluetooth , easy to read the data you need. [Full Body Composition Analysis] 11 essential measurement includes weight, body fat percentage, BMI, Muscle, Visceral Fat, Bone mass, Water level, Protein, Fat-free Body Weight,Basal Metabolism and body age.Just weigh on the scale and check the results on your phone. [FASHION INTELLIGENT DESIGN] ITO coated surface provides transparent elegant appearance, as well as high conductivity for detecting body compositions via Bioelectric Impedance Analysis (BIA).Stylish hidden LED display, which is self-Illuminated to provides bright and clear readout at any angle. [100% QUALITY ASSURANCE] FDA/ CE/FCC/ROHS Certificated.MVPower have 30 days full refund and 2-year extended warranty.If you have any questions about the product, please consult our customer service immediately, we will give u a refund or a replacement within 24 hours. Product information Package Dimensions 13.5 x 13.3 x 2 inches Item Weight 4.55 pounds Shipping Weight 4.55 pounds Manufacturer MVPOWER ASIN B07G2F1D1B Manufacturer reference unknown Batteries 4 AAA batteries required. (included)