Description: External High Power Switching Module for Microstep Driver Lerdge 3D Printer Board Adapter Module. 3D Printer Board External Large Motor Drive Adapter Module, suitable for external high current drive. Note: Please make sure the connecting direction is right. Specification: Material: Plastic Module Size: 20*16*18mm/0.79*0.63*0.71inch Cable length:50cm/19.68inch Package Includes: 1 Piece External High Power Switching Module. 1 Piece 50cm 6Pin Cable. Note: The cable will be sent at random