There is only one downside to this product, but with technology, it is understandable. At times, the wireless signal between the SMART board and the computer is lost, and this requires one to waste class time and restart the computer in order to reestablish the connection.
I would recommend this product as it does giver users more flexibility and improves safety in the classroom. Though, it would be much more useful if the whole setup, projector and computer, was wireless. That would be nice!