dlp ultra short throw laser projector. Finished and matured. Moreover, in the process of practical research, it has achieved relatively good results , and it has also been recognized by participating research teachers. The following figure shows the relationship between the theoretical basis of the components of the model, the purpose of the teaching, the sequence of operations, the conditions of implementation, and the evaluation. The construction and improvement of the fourth chapter model. IQ Touch C Pro Interactive LED Touch Screens has dual system of Android 8.0 and optional OPS Windows system with 20 point touch. IQTouch C Pro will create a collaborative and interactive atmosphere in the classroom or workplaces, where partners could work together by casting their mobile devices wirelessly. With IQShare Lite, It could share and display the laptop screen to IQTouch C Pro screen instantly.