Features: Brand new and high quality The CM4 Full Fit Touch Screens Expansion Board utilizes advanced technology, providing touch sensitivity and a clear display effect. With its 2.8inch size,480x640 resolution, this expansion board boasts a compact and portable design, making it suitable for various projects and applications. This powerful screen expansion board is specifically designed to cater to the needs of makers and developers, offering convenient screen expansion capabilities for project prototyping and development. As a valuable learning and teaching tool, this expansion board aids students in better comprehending and practicing computer science and electronic engineering. From scientific research and laboratory environments to DIY electronic projects, this expansion board serves as a cores component, enabling seamless integration into a variety of applications. Specifications: Material:PCB Type:Screen/Screen+Expansion board Resolution:480x640 Power Input:5V USB: USB2.0 interface Cable holder: MIPI CSI22PIN 0.5mm camera interface Size:Approx.65.7x47.9mm/2.58x1.88inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Compute Module