This is a LCD control panel used in 3D printer, an extension accessory of RAMPS. By using this panel, the printer can realize off-line printing function. That is to store the Gcode file of the 3D model to SD card, and then use the LCD control panel to print the file. This is an updated version of Reprap smart controller.
12864 LCD 3D printer control panel * 1
Adapter for Ramps 1.4 * 1
Connection cable * 2