uxcell 2pcs 4-Phase 5-Wire Stepper Motor Driver ULN2003 Circuit Module Board Size: 23 x 16 x 10mm/0.9" x 0.63" x 0.39"(L*W*H); Country of Manufacture: CHINA Brand: Assisi; Material: Electronic Components, Plasitc Net Weight: 5g; Package Content: 2pcs x Stepper Motor Driver Main Color: Blue, Black; Design: 4-Phase 5-Wire Working Power: 5-12V