Counting range:0-99999 Rated voltage:220V Model:75-I Counting method:Rotation count Rotational speed:about 350 laps/min Size:160 x 71 x 57mm 75-I: Turn the count. Count clockwise/anti-clockwise, count one number per one week of rotation of the spindle (one digit before the red number). Turn clockwise: for incremental; counterclockwise: for decremental. / Model:75-II Counting method:Pull count Rotational speed:about 200 laps/min Size:160 x 70 x 55mm 75-II: Pull counting. Clockwise counting, each pull jumps into one number, every ten into one. Due to different product batches, the appearance may vary, which does not affect the use. Specification:75-II/75-I Colour:As Shown Material:iron+plastic Package Contents: 1 * Mechanical Manual Counter 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.