ITEM NAME:Expansion card L293D motor drive Shield for Arduino blue L6A3 Expansion card L293D motor drive Shield for Arduino blue L6A3 Size : 7.3x5.5x1.4 cm (2.87x2.17x0.55 inch) Can lead 4 DC motors or 2 stepper motor or servo 2 2 external terminal power interface, for separated / auto supply logic Color : blue Package : 1 X Drive module 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 +/- 1-3 cm.