High precision and high resolution; Automatic backlight, buzzer alarm function; Minimum force value shielding function: the data within the set minimum range can be shielded; N(Newton),Kg (Kilogram) , Lb (Pound) and Oz(Ounce) four units for selection and conversion. Setting function of gravity acceleration----User can input at your option the accurate value of gravity acceleration at the using place so as to make the testing and unit conversion be more accurate.