Description: 12864 LCD smart controller for 3D printer. Supports for RAMPS 1.4 control board. Built-in encoder allows you adjusting the parameter and selecting file to print. Large size screen, clear white characters with blue backlit. Tuning and press the round button to control, with buzzer for reminding, a reset button, easy for operation. Plug and play, but firmware need to be modified for support Support Chinese font, Chinese menu can be displayed by modifying Marlin firmware. Specification: Model: 12864 Screen: LCD Screen Size: 3 inch Brightness: highlight Contrast: 6.0 Resolution: 128x64 Package Includes: 1x LCD 12864 Control Screen 2 Pieces Cable