Features:
1.ULN2003 driver board use high power chip for driving stepper motor
Increased output expansion interface.
2.A, B, C, D four-phase LED indicates the status of the stepper motor work.
3.It has a standard interface for plug and play.
4.A, B, C, D light-emitting diode instructions four-phase stepper motor work with the state of the standard stepper motor interface, can be used directly plug

Specifications:
Rated Voltage: DC5V 4-phase
Size: 3.5 x 3.2cm / 1.38 x 1.26in
Weight: 6g

Package included:
5 x Motor Driver Board