An LCD module typically consists of an LCD screen, backlight, driver circuitry, and connectors. The driver circuitry controls the pixels on the LCD screen, allowing it to display images, text, and other visual information. The backlight provides illumination for the screen, making it easier to read in different lighting conditions. LCD module is available in a wide range of sizes, from small 1.8-inch screens used in handheld devices to large 15-inch screens used in industrial applications.