Touch sensitive 77" SMARTBoard SB680 from Smart Technologies (77) Touch-Sensitive Surface - Contact with the interactive whiteboard is converted into mouse clicks or electronic ink. You can use your finger as a mouse or write notes on the durable, low-reflective surface. SMART Board Software (available for free download) - Write over top of any computer application, write and edit notes, and save everything in a single file. The numerous features include Notebook software, which captures annotations and saves your notes, SMART Recorder (Microsoft Windows systems only), which saves audio and data for playback as a synchronized file, and SMART Video Player, which enables you to write over top of moving or still video. SMART Pen Tray - Optical sensors automatically detect when a stylus or the eraser is selected, while buttons activate the on-screen keyboard and right mouse click. Whisper-tip styluses and eraser included. Projected and Non-Projected Modes - Use with a projector to display and interact with computer materials or use in non-projected mode to save dry-erase marker notes to the computer.