Chen Mo tested it on the spot. It was very simple; all the controls were straightforward and efficient. After running through them once, he more or less understood all its functions.
Modern technology really was convenient. No matter where one was, they could control certain equipment, provided they had access and authorization.
Unfortunately, there were actually very few surveillance cameras inside the mountain. They were mainly placed along passageways and at important entrances and exits. So Chen Mo had no way to use this to observe the entire Underground Space. It was not even as useful as his Spiritual Sense.
He had taken this device because he wanted to use it to control certain equipment, such as the ventilation system.
As for the metal object on the fifth underground level that made Chen Mo's heart palpitate, although he did not know what it actually was, once he guessed it might be a bomb, he kept it under constant watch with his Spiritual Sense.
This concerned his own safety. If that thing made any movement, he could react immediately. He might even abandon the rescue and leave at once.
He was saving people, but reality could be cruel sometimes. He could only reach out to save others after ensuring his own safety.
When he had interrogated Nawa earlier, Chen Mo had specifically asked whether Nawa knew what that object on the fifth underground level was. Unfortunately, these people were merely ordinary security personnel and could not enter that place. They only guarded the doors. Furthermore, no one, including Nawa, knew what it was.
They normally could not enter other areas within the mountain either. Since the surveillance was mostly focused on entrances and exits, they were not very familiar with the conditions inside. Even Nawa did not know that a special