Check Your Understanding
Choose the best answer. 1.The main purpose of intelligent security precaution system is to B A. monitor people’s activits B. address people’s security concerns C. facilitate the communication between people D. Reduce policemen’s work 2. The system formed by digital closed-circuit television monitoring system and the anti-theft alarm system use __C__ to view the site under monitor. A. electron microscope B.telescope C. camers D.infrared detector 3. To strengthen the modern security, precaution technology becomes more and more important becase _B____
• system designed for real property ,and it can combine indoor security precaution alarm system and entrance and exit control to enable many function such as calling,intercom,video monitoring ,security precaution alarm,unlocking,three party calls,which are the basic requirements toy intelligent real property management.