Specification: Material: Plastic and Stainless Steel Battery: Not Included Capacity: 50kg (suitable for large parcel weighing) Accuracy: 10g Units: g, kg, lb, oz Product Dimensions: 12 x 8 x 2.2cm Instructions: Hang the scale vertically. Press the “ON/TARE” button. You can use it when the screen reads “0.0 or 0.00”. Switch between “ON” and “TARE” to lock the weighing data. When the weight of the stuff remains stable, the weight data will be locked automatically with the unit signal light stopping flashing and notification tone ringing. Package Included: 1 x 50kg*10g Digital Hand-held Scale