Features: Upgrades your printing workflow with the 2004 LCD Smart Controller featuring 20x4 character display and RAMPS 1.4 compatibility, enabling standalone printer operations via card execution without PC dependency. This controller module integrates rotary encoders navigation, adjustable contrast setting, and two communication interfaces (serials/I2C) for seamless integration with shield and industrial automation systems. for printing enthusiasts, industrial equipment developers, and electronics projects requiring realtime printer control and multiple line data visualization. Perfect for workshop environments needing centralized control of RAMPS based printers, PLCs devices, or HMIs interfaces where space efficient monitoring of temperature, extrusion parameters, and print progress. The industrial plastic housing protects internal circuitry while clearly labeled pin headers simplify wiring connection, reducing setup time for prototyping and production manufacturing applications. Specifications: Materials: Plastic Color: Red Size: 150x55mm Package Includes: 1Set 2004 LCD Smart Display Controller Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.