Includes two LCD display modules (2004A), making this set a versatile choice for hobbyists and professionals who need dual displays. Adjustable backlight for clear visibility across lighting conditions; to disable when not in use, simply remove the cable cap. Front-mounted blue potentiometer enables quick, user-friendly contrast adjustments to match your viewing needs. Key benefits - Dual 2004A LCD modules ready for multi-display projects - Backlight control for adaptable readability - Easy, tactile contrast tuning without tools Typical applications - Prototyping microcontroller projects that require two independent displays - Educational kits and electronics demonstrations for learning display control - Instrumentation or monitoring setups on test benches and benchesides Designed to integrate with standard 2004A modules and typical LCD interfaces, providing reliable performance and straightforward setup.