The Omron Body Fat Composition Monitor BF214 is probably the simplest way of checking your body fat, body weight and BMI. The BF214 will also give you readings on skeletal muscle for a complete overview of your body composition and it will even remember your previous measurement. It makes everything so much easier. SpecificationsDevice Type : Body Composition MonitorMemory: Last MeasurementWeight : YesBody Fat (in %) : YesBody Mass Index : YesNumber of User Profiles : 4Guest Mode : YesAge Range :10-80 YearsOn/Off Technology : Sensor SwitchLength (cm) : 32.50Height (cm) : 32.50Depth (cm) : 4.50Sales Package Weight (kg) 1.99 What's in the boxBF214 Body Composition MonitorInstruction Manual4x AAA Batteries