The MS20 scale is particularly suited to the medical or veterinary industry, With a capacity of 44 lb (20 kg) and readability of 1/2 oz (10 g), the MS20 will accurately weigh infants or small animals, The scale has a ""HOLD"" feature that will capture an unstable weight and keep it on the display for recording after the weight is taken off, The MS20 is offered in two models and can operate on battery (single 9 VDC) or AC (adapter included), The MS20 comes with a plastic weighing tray and the MS20S comes with a stainless steel weighing tray, Medical / Veterinary Scale, Capacity x Readability 44 lb x 1/2 oz, Platform size: 20-1/2""L x 11-1/2""W x 2-1/4""H, Display: 1, 0"" LCD display with 4 active digits, Power: 9V alkaline battery or 9V 100mA AC adapter, Keyboard: On/Off/Tare, Unit, Hold, Operating Temp: 41° F to 95° F (5° C to 35° C), Tray Construction: Stainless Steel, Accuracy: 2000 divisions, SKU: BCKN030