100% brand new and high quality Material: Electrical components Color: See pictures 42/57/86 TB6600 Stepper Motor 32-segment driver updated version 4.0A 40VDC for CNC milling machine Specifications: This unit is an upgraded version of TB6600, the breakdown of increase to 32 segments, for high targeting purposes. Applicable stepper motor: 42.57, 86 Phase type phase (4 wire 6 wire 8 wire line) Characteristics: 1, 9 V-40 V DC power supply; 2, H-bridge Bipolar constant-phase flow-driven; 3, the maximum output current of 4.0A eight optional; 4, up to 32 segments of six types of sub-modes available; 5, the input signal is high-speed optical insulation; 6, standard common anode single pulse interface; 7, HOLD function offline; 8, semi-closed chassis can accommodate the most demanding environment; 9, provide semi-automatic current locking function; 10, built-in thermal protection and overcurrent protection. Size: 9.6*5.5*2.7cm/3.88"*2.17"*1.06" Quantity: 1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x TB6600 Single Axis 4A Stepper Motor Driver Controller 9~40V Micro-Step CNC