the instructor has a microcomputer on his wrist. Although the functions are not as complete as the personal computer, the functions such as identifying the contact function and location are very powerful. This kind of microcomputer is only the size of a watch, which is very hidden. Who would think that a small watch is actually a microcomputer? This is the standard configuration of members of the national security administration.

the red alarm light dyed the instructor's black face. This is the highest level alarm. What does it mean? The instructor quickly clicked several times on the top and immediately locked the location of the rescue information. "Deng Xiao, I...