With dual graduations ranging from neonatal to pediatric care (accurate to 5 grams), Detectos MB130 features a removable baby tray which automatically converts the scale into a low-profile step-on toddler scale with a maximum capacity of up to 40 lb / 20 kg. Powered by one 9V alkaline battery (not included) or AC adapter (included) with Auto Shut-off feature after 2 minutes to conserve battery life. The one-inch (25-mm) high LCD with 5 active digit display provides a highly visible readouts, making the MB130 very easy to utilize. 0-20 lb x 0.01 lb, 20-40 lb x 0.02 lb / 0-10 kg x 5 g, 10-20 kg x 10 g capacity weighing range. Optional model DLM digital length measuring device available for pediatric weighing.