Perfectly designed to be used in a traditional size Classroom. * Low-glare surface minimizes projector reflection. It is better for your eyes, but dry erase marker use isn"t recommended. * Electronic-free surface for durability. Holes or scratches don"t affect the whiteboard"s functionality. * You can use the electronic pen to operate. It responds to the pen. * Starboard Software is included. It has many great features.,Screen Size: 77" diagonal., Connectivity: USB, Bluetooth and optional wireless.