Featuring adaptable and user-friendly gesture capability, enabling interaction with content. 77 inch SMARTBoard (diagonally) with a 4:3 aspect ratio SMART Product Drivers and SMART Notebook™ collaborative learning software included. Write, erase and perform mouse functions with your finder or pen Simultaneous touch support enables up to two users to interact with the interactive whiteboard. Built-in pen tray to keep your included pens organized and at reach Built to last. Hard-coated steel surface is durable and optimized for projection and compatible with dry-erase markers Two-year limited equipment warranty