The LINK System is THE key piece of technology in our chemistry studio classrooms. Because of this system, every student has a front seat! The LINK System provides seamless, always-compatible, high frame rate video to each of our students, as well as student-teacher interaction and remote control. Images and data from a document camera, digital microscope, DVD, laptop, student computers, and other video sources can be displayed easily and controlled with a simple touch screen. Worth every penny!