High precision and high resolution; Three measurement mode for selection(Real time,,First ); N(),Kg (Kilogram) , Lb (Pound) and Oz(Ounce) four units for selection and conversion. Setting function of acceleration----User can input at your option the accurate value of acceleration at the using place so as to make the testing and unit conversion be more accurate. Upper and lower limits can be set for statistic analysis. The buzzer will alarm if exceeding the limits. Minimum force value shielding function: the data within the set minimum range can be shielded; Automatic shutdown function: The automatic shutdown time can be set, and the automatic shutdown can achieve a point saving effect when there is no operation for a long time. Power: 2pcs AAA battery (1.5Vx2) Not include Automatic backlight, buzzer alarm function; Colour:As Shown Material:ABS Package Contents: 1 x Digital Dynamometer Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.