1.battery power. 2.The screen simultaneously displays "P" and "T" as the first peak mode, indicating that the first peak value measured within a period of time is recorded; the screen displays a single "P" as the peak mode, indicating that the measured period of time is recorded Maximum force value; press "PEAK" key to switch between peak and first peak mode freely. 3.unit display. 4.measurement force value display. 5.Push-pull force: the upper arrow shows the pulling force, and the lower arrow shows the pushing force Material: ABS colour: As shown Package Contents: 1 set x Small Digital Push Pull Force Gauge 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.