Arc projection screen sandbox

The new arc projection screen display means the sandbox by light, electricity, sound and other organic combination. Broadcasting propaganda films, while synchronous electronic sand table showing its relevant content. Projection sandbox program modules are as follows: 1. Central control panel 2. solid sandbox (including LED lights) 3. fusion projection system (sandbox need to integrate large size) 4. wall or large screen projection system, sound system 4. 5. Touch screen control terminal implementations: the instructors or the viewer can click touch one machine, the projector can be synchronized to play the appropriate animation and film, very vivid novel, with the majestic sound of the sandbox, very shocking