Datavideo is a low cost alternative to a green screen or blue screen dedicated on a wall in your classroom. It is a two component system that is about one thousand dollars.
The first component is a piece of cloth made of a reflective material that reflects the light emitting from the camera back to the camera.
The second component is a ring that goes on the camera, the good thing about this ring is that it has green and blue LED lights which will help in either way depending on the light that reflects best off of your subject; you have both alternatives without the need of repainting your wall or reseting your lights.
Also, Datavideo does not required a lot of lighting and does not create spills over the subject.Datavideo is a good alternative for schools if they have a broadcast channel, Datavideo can help them with the weather report or students can use it to talk about their projects and taking the audience into the experience. Datavideo has such a small blueprint that it can be set up anywhere.
Here are two examples of how Datavideo can be used for.