<p>Package include:  </p><p>4 x 23HS2430B Nema23 stepper motor 425oz-in 112mm 3A (Dual Shaft)</p><p>4 x FMD2740C stepper motor driver</p><p>1 x 400W 36V/9.7A switching power supply</p><p>1 x 4 Axis USBCNC breakout board</p><p>1 x Hand controller </p><p>1 x USB Cable</p><p>CD include with English user manual and software and register code </p><p>This cnc kit only support USB CNC Software,not support Mach3 Softare,when install the software need the right register key to run pls contact for it!</p><p>1.  USBCNC breakout board</p><p>USBCNCV4.0 is a high performance motion controller which based on PC software USBCNC control</p><p>Computer system requirement      </p><p>Minimum configuration:</p><p>1) CPU:1GHz</p><p>2) Memory: 512MB</p><p>3) 500MB free disk space</p><p>2. FMD2740C stepper motor driver</p><p>2,Features</p><p>1. Power supply voltage 12 to 40VDC                 </p><p>2. Subdivision precision 2\8\16\32\64\128\10\20 optional  </p><p>3.Maximum drive current is 4A</p><p>4.Drive any 4A phase current of 2-phase or 4-phase hybrid stepping motor             </p><p>Applications</p><p>Suitable for a variety of small and medium-sized automation equipment and instruments,for example: Small engraving machine, SMT machine, etc.</p><p>3. Nema23 Stepper Motor</p><p>General Specification:</p><p>Step angle accuracy:+ -  5%(full step,not load)</p><p>Resistance accuracy: + - 10%</p><p>Inductance accuracy:+ - 20%</p><p>Datasheet(23HS2430B,Front shaft 8mm dia and 21mm length;back shaft 8mm dia and 11mm length,425 oz-in or 28kg.cm holding torque)</p><p>4.Switching power supply</p><p>400W,Input:100-120VAC or 200-240VAC,50/60Hz,Output:36v/9.7 A,single output switching power supply</p>