Thank you for viewing! This is a Tanita voice-guided weight scale (used, working condition). You can register your height, weight, age, and gender. It displays body fat percentage, muscle mass, and even the required calcium intake. It uses 4 AA batteries. The remaining batteries are included. Function: Metabolic age Function: Muscle mass Function: Visceral fat Function: Metabolic age There are fine scratches on the surface. Please understand that this item is stored at home and has been inspected by an amateur. Please consider this before purchasing. Please consider and purchase.