Features: 1.Large size LCD display facilitates easy reading, 3 segment back light display options 2.Switchable measurement units among kg, g, lb 3.Auto zero tracking 4.Featured with automatic correction and overloading protection 5.Featured with automatic correction and overloading protection 6. Featured with preset quantity warning function 7.Featured with factory reset function 8.Bbuilt-in internal battery, either DC or AC can be used to charge up the battery 9.Zero point tracking 10. Battery usage indicator 11.Built-in internal battery, either DC or AC can be used to charge up the battery, easy to transport 12.Two color LED battery charging indicator, easy to check out the battery charging status