Feature:1. With Optional Touch Function: This 4.0in LCD module has 480x320 HD resolution with optional touch function.2. Serial Peripheral Interface Bus: Using the serial peripheral interface, only a few IOs are required to light up the screen display.3. Memory Card Slot: Equipped with a memory card slot, it is easy to expand the experiment and provide a rich sample program.4. Practical: This multifunction LCD module can be used for other display functions via signal transmission lines.5. Energy Saving: Compatible with 3.3V‑5V working voltage, realize low power consumption and power saving.Specification:Item Type: 4in TFT LCD Display ModuleProduct Material: TFTDriver Chip: ILI9488Resolution: 480x320 PXVCC: Power Input 3.3-5VGND: Power GroundCS: LCD Chip SelectRESET: LCD ResetDC: LCD Bus Commands Data SelectionSDI(MOSI): LCD SPI Display Bus Data InputSCK: LCD SPI Display Bus Clock SignalLED: LCD Backlighting Control (High Level Illumination)SDO(MISO): LCD SPI Display Bus Data Input OutT CLK: Touch Panel SPI Bus Clock SignalT CS: Touch Panel SPI Bus Chip SelectT DIN: Touch Panel SPI Bus Data InputT DO: Touch Panel SPI Bus Data OutputT IRQ: Touch Panel Interrupt IRQ Signal.Package List:1 x LCD Screen Module1 x Stylus