Interactive displays offer a cost-effective solution with a straightforward design for classroom use. This 75 in. interactive display supports 4K Ultra HD resolution and multi-touch input, allowing multiple users to write on the screen at the same time. The display is compatible with both Windows and Android systems. It can operate with an external PC or OPS device that can be easily replaced to upgrade the system without changing the display. The device does not include pre-installed software, enhancing security by reducing potential vulnerabilities. With Write-Away technology, users can start writing immediately using the stylus, with no setup delay.