Auto zero tracking With calibrate function. Large square weighting pan Net weight/stability indication Fast response and stable performance. Equipped with high precision strain gauge sensor. Easy to read the number displayed on LCD screen(5 digits 20mm hight). There are four different units for your choice: kg, g, oz, lb (1000g=35.27oz=2.2lb). Automatic power-off function. It can turn off automatically after it is idle for about 60 seconds. Used in wide range of application including kitchens, offices, warehouses, laboratories and industries Specifications: Model: TS500/SF802 Capacity: 30kg Color: White/Black Material: Plastic Operating Temperature: 0-40 Power Supply: 2 x AA batteries or AC/DC Adapter 6V/100mA( not included ) Scale Plate Diameter: 214 x 240mm Scale Size: 23 x 22 x 6cm Net Weight: 840g-1030g Note: 1.Please allow 1-2cm errors due to manual measurement. 2.Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Package Included:(with retail packaged) 1 x Electronic Scale 1 x User Manual 1 x Packing Box