ITEM NAME:Open Source ZUM Scan Expansion Controller board with a4988 Stepper Motor Di B9H6 Open Source ZUM Scan Expansion Controller board with a4988 Stepper Motor Di B9H6 Product Features latest version 100% tested Additional information colour: green+red Material: metal+plastic size: Width: 4.49cm Length: 7.24cm Height: 2.01cm Package Contents: 1*ZUM Scan Expansion board 1*A4988 stepper driver Only the above package content, other products are not included. Note: Light shooting 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.
