Product Name: Mini12864 LCD SD card logic voltage: 3.3V and 5V New design and high-quality product. Appearance size: 104.99mm*47mm Material: PCB Power: DC 5V Features: 1. The Mini12864 screen features RGB multi-color backlighting and can support 8 RGB colors for a cooler look. 2. With an SD card slot on the back, simply insert the slicing file into the SD card and select the file on the LCD screen to start printing. 3. Product parameter adjustment can be achieved via the encoder, along with file selection for printing. 4. Plug and play on RAMPS, but firmware modification is required for support. 5. Don't worry about after-sales issues. If you need assistance, please contact us, and we will help you solve it. Package includes: 1pc Mini 12864 LCD How to use? A. Turn on the power, press the rotary switch. B. Select LightS. C. Enter Lights, click the new Lights: on or off, select RGB on or off. D. RGB display can be selected through light presets.