Upon seeing those devices, Yuan Shu was overjoyed and exclaimed, "Wonderful, wonderful! So this is a projector. It's designed to be so compact. Let's turn it on right away."
"Yes, my lord."
A subordinate stepped forward and activated the projector. Because it was equipped with a solar battery that could run for twelve hours on a single charge, there was no need to worry about a lack of power.
Chapter 140