The given data provides key specifications for a marker board intended for school use. The board comes in a dual color combination of white and green, which is typically used for teaching purposes to enhance contrast and visibility for different writing needs. The size of the board is 8x4 feet, providing ample writing space suitable for classrooms or training environments. The board’s frame is made of durable aluminum, ensuring a lightweight yet sturdy structure that supports the board's longevity and ease of installation. Its input method is marker-based, which is cleaner and more versatile compared to chalkboards. The board’s surface material is specified as glass, indicating a smooth, easy-to-clean surface that is resistant to scratches and staining, making it ideal for regular and long-term use in educational settings. This combination of features highlights its practicality and functionality for schools and institutions.