Wi-Fi Bluetooth auto-switch --- Every weigh-in can be interesting. Renpho smart digital weight scale supports switching automatically between Wi-Fi and Bluetooth connections. 2.4Ghz Wi-Fi connection is more convenient, you can get the precise measurement results without carrying a phone, and the data will sync to the app; Besides, Bluetooth ensures continuous data transmission if Wi-Fi is down. (Note: Not support 5G Wi-Fi). Full body composition analysis --- Know more about yourself. Easily view body weight, body fat percentage and BMI data on the clear display. The other body data like visceral fat, mass, BMR, bone mass, metabolic age are stored to renpho app. Moreover, you can switch units (st/kg/lb/st+lb) via renpho app. High precision and high quality --- Precision makes measurements valuable. Auto calibration, high precision sensors measure in increments of 0.2lb/0.05kg with 396lbs/180kg capacity. 4 high sensitive electrodes, 5mm tempered glass platform, 3 AAA batteries included. Modern and sleek design with classic black color. Syncs with fitness apps --- Start living a healthier life. Renpho body fat scale connects with the apps to help motivate toward your goals, save historical data, and track your daily, weekly, and monthly progress. Renpho app works with samsung health, apple health, google fit and offers app for apple watch. One scale for the whole family --- Sharing for health with the family. This Wi-Fi body fat biometric scale automatically recognizes up to 8 users who step on. It is a smart weighing scale. And each user can get the data on their own devices in private. This smart bluetooth scale also supports the baby mode that can record the weight of children and pets, easy to use, suitable for families and sports enthusiasts.