Support virtual USB device function Use a USB cable to connect PC and motherboard, and PC can read and write files to TF card and USB disk on motherboard just like reading and writing USB disk. From now on, you don't need to repeatedly plug and unplug TF card and USB disk to copy gcode files Supports various types of LCD screens MKS TS35/MKS H43/LCD12864/LCD2004... Support dual Z- Parallel to Z- motor interface, it is also possible when using dual extruders Supports 2 PWM controllable fans Conveniently control fan switching Hign-concerned Chemical:None Application:3D Printer (The product printed words depending on batch, but this does not affect use) Color: As Shown Material: PCB+LCD Package Contents: 1 * Touch Display 1 * Motherboard Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.