This is a 1.8 inch color screen that can display fullcolors, suitable for electronic enthusiasts and students to use in development boards such as arduino and raspberry pi. The TFT LCD display can be directly inserted into arduino, which is convenient and quick. Using SPI communication mode, only 4 IOs are needed to illuminate the display, and the SD card slot is convenient for function expansion. Support 16BIT RGB 65K color display, 128X160 resolution, ST7735s driver chip, working voltage is 5V/3.3V, weight is 15g DSD TECH provides sample code for the Arduino for this TFT LCD. With the sample code, you can use this LCD screen in 10 minutes. Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this TFT LCD Display Module. All questions will be answered within 1 working day.