This item was only used by one person during the newborn period, so it's in excellent condition. Operation has been confirmed. It can measure from 0 to about 6 years old. Functions as both an infant and toddler scale. Model No. 1584 Weighing range: 0-20kg Minimum display: 50g (0-10kg) 100g (10-20kg) Four unused carpet leg caps are included.