Healthy Care 667 Multi-function Pocket Pedometer Step Counter(Green) 1.Step counter up to 99999 steps. -Distance traveled indication up to 999.99KM/999.99 Miles. 2.Calories burnt indication up to 999.99 Kcal. -Metric and imperial system selection. -Auto shut off. -CE certification. 3.The paces are detected via the movement of the waist. For accurate reading, mount the unit closer to the center of the body. 4.Battery Usage -Uses Ag10 x 1pc (not include) -Unscrew battery cover to replace with fresh battery. 5.Activity Time: Record Your Daily Walking Time, Auto shut off;Distance Measurement in Miles or Km