C39 The Truth of the Painting

Most security systems are high-tech electronic devices, such as hacking alarm systems, video surveillance systems, and so on.

Previously, there was a problem with the welcome gift. Si Chenmoh wanted to check the surveillance video later, but the security system had a problem, so he put it down.

Si Chenmoh was still busy with his work. "I got it."

"Then I'll go out first