Tare function: The tare function makes you read the net weight of your luggage easily and precisely.Auto-off: This digital scale will auto off after 120s to help preserve both time and energy of the battery.Change units: There are 3 kinds of weight units(lb, kg, jin)in the digital travel scales that you can change unit easily.Overload indication: The large LCD display show the result with overload indication, protecting your kitchen scale.Weighing bowl: Comes with a weighing bowl, convenien