The Tree MCT 16 lb x 0.005lb Digital Bench Parts Counting Scale features a full numerical keyboard, weighs in pounds, ounces, lb:oz, kilograms or grams. Large stainless steel weighing platform, A/C power adapter, stability indicator, level bubble. Auto backlit & auto shut-off. Low battery indicator. Calibration test weights are not included. Anycal software installed. This software allows you to calibrate your scale with any known weight LB or KG, no test weights needed. This scale can be used in the factory, warehouse, workshop, kitchen, laboratory, classroom and more. Weigh parts and count the quantity with advanced parts counting function.