Features: Brand new and high quality CM4 Full Fit Touchscreen Expansion Board utilizes advanced technology, offering responsive touch sensitivity and a clear display effect. With its 2.8-inch size and 480x640 resolution, this expansion board boasts a compact and portable design, making it suitable for various projects and applications. This powerful display expansion board is specifically engineered to meet the needs of makers and developers, providing convenient screen expansion capabilities for project prototyping and development. Serving as a valuable learning and teaching tool, this expansion board assists students in better understanding and practicing computer science and electronics engineering. From scientific research and laboratory environments to DIY electronics projects, this expansion board acts as a core component, enabling seamless integration into a multitude of applications. Specifications: Material: PCB Type: Screen/Screen+Expansion Board Resolution: 480x640 Power Input: 5V USB: USB2.0 Interface Cable Holder: MIPI CSI2 2PIN 0.5mm Camera Interface Size: Approx. 65.7x47.9mm/2.58x1.88inch Note: 1.Please allow 1-2cm error due to manual measurement, please make sure you do not mind before ordering. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.