With dual graduation ranging from neonatal to pediatric care ( 5/10 gram .01/.02 lb ) Detecto\'s MB130 features a removable baby tray which automatically converts the scale into a low-profile step-on toddler scale with a capacity of up to 20 kilograms / 40 pounds * The easy-to-read LCD features pounds and kilograms units * Power is provided by either 9-volt battery (not included) or AC adapter (included) * The lightweight comfortable design makes this scale ideal for visiting nurses and pediatric care professionals