💡➡️⬜

#projector #light beam #projection screen #presentation display #light source

🖥️→⬜️

#computer projection #screen mirroring #presentation display #digital projector #monitor output

📽️▷⬜

#projector beam #projection cone #light projection #projecting image #wall projection #projector screen #presentation display

🟦🔌📽️

#projector cable #blue plug #vga output #presentation display #video connector #projector input