The Eufy Smart Scale P2 Pro has a 180kg (396lb) max weight capacity, uses 4 AAA batteries, and connects via Bluetooth and Wi-Fi. It provides 16 measurements, including body fat, heart rate, and muscle mass, with an IPX5 waterproof rating and support for iOS 10.0 and Android 5.0 and above. It also features a 3D body model and ITO technology for consistent readings, and integrates with the EufyLife app and other fitness apps like Apple Health, Google Fit, and Fitbit.