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 Module Product Material: TFT Driver Chip: ILI9488 Resolution: 480x320 PX VCC: Power Input 3.3-5V GND: Power Ground CS: LCD Chip Select RESET: LCD Reset DC: LCD Bus Commands Data Selection SDI(MOSI): LCD SPI Display Bus Data Input SCK: LCD SPI Display Bus Clock Signal LED: LCD Backlighting Control (High Level Illumination) SDO(MISO): LCD SPI Display Bus Data Input Out T CLK: Touch Panel SPI Bus Clock Signal T CS: Touch Panel SPI Bus Chip Select T DIN: Touch Panel SPI Bus Data Input T DO: Touch Panel SPI Bus Data Output T IRQ: Touch Panel Interrupt IRQ Signal. Package List: 1 x LCD Screen Module1 x Stylus