2 projecting heads for table cinematographs, 1 optical sound head, 1 carbon arc projection lamp, 1 slide projector and more. All untested.

2个放映机头，用于桌式电影摄影机，1个电子光声头，1台煤油弧光灯，1个滑线电阻，1台幻灯机，1个印片机箱，1个暗房照明灯(煤油)，均未检测。

youdao

"The vision technology allows that surface to become interactive, so that while the computer is projecting the information on to, say, your table top, the worker can interact with that the thing which is basically just light by using light, " Lai said.

CNN: Your desk, chair are watching you