12864 LCD Graphic Smart Display Controller Specification: Using a large screen 12864LCD (3.2'), it can support 8 GB With a SD card base on back, put slicing file into the SD card and select the file on the LCD, then can be printing Product comes encoder parameter adjustment can be achieved, and the file selection print Plug and play on the RAMPS, but need to modify the firmware to support Suitable for copiers, fax machines, laser printers, industrial test equipment, networking equipment etc. LCD control panel through which you can achieve spooling is the 3D model Gcode files are copied to the SD card, and then print the file via the LCD control panel. Package Included: 1 * 16824 LCD Module 1 * Connect Adapter 2 * Cables