 "Elmo TX-1 Visual Presenter - document camera" " Elmo camera 1351 Document Cameras & Overhead Projectors CDW.com
"TX-1 Visual Presenter offers a 12x optical zoom lens and a Full HD camera. The compact footprint allows for use in any space. Break away from your traditional workspace as the built in Wi-Fi allows for wireless transmission of HD video to stream to a Windows-based computer or mobile device." 
 "Ken-A-Vision Vision Viewer 7880 - document camera" " Ken-A-Vision camera 7880BL Document Cameras & Overhead Projectors CDW.com
"With the Ken-A-Vision Digital Vision Viewer, it is easy to capture images and movies. Vision Viewer offers one cord convenience, no confusing cables to sort out that can bring your lesson plan or presentation to a stand still. No confusing buttons to fumble with on the unit because you use the mouse on your computer.The 7880 Auto Focus Vision Viewer delivers superior image quality in real time. Display documents, nearby objects or even objects at a distance. Vision Viewer by Ken-A-Vision... making it easy to focus on teaching." 