1. This is an LCD display HAT for , 1.44inch diagonal, 128x128 pixels, with embedded controller, communicating via SPI interface.2. IF you Trying to add a control interface for your Pi? Even making the Pi into a handheld game console? This compact display would be the Perfect choice.3. Standard 40PIN GPIO extension header, supports series boards.4. 1x joystick (5-position), 3x pushbuttons, handy and useful.5. Development Resources with examples for : ..com//1.44inch_LCD_HATSpecifications:Driver: ST7735SInterface: SPIDisplay color: RGB, 65K colorResolution: 128x128Backlight: LEDOperating voltage: 3.3VColour:Black + BlueMaterial:PCBSize:65x30.2mmPackage Contents:1 * 1.44inch LCD HAT1 * RPi screws packOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.