1.   A new alarm system has been installed.

2.   For automotive buffs, there was an array of navigational devices and sophisticated alarm systems.

3.   In the unlikely event of a burglar entering the building, the alarm system will be activated.

4.   Many cities require registration of alarm systems, provide for a warning process, fine violators and authorize disconnection of alarm systems.

5.   The alarm system was not functioning when the paintings were stolen.

6.   The factory had no fire escapes or alarm system.

7.   The new alarm system should deter car thieves.

8.   They have an alarm system, man.

9.   Ultrasonics technology is used in certain burglar alarm systems which trigger on detecting the sound of breaking glass.

10.   We have told them about my alarm system, and they would do something if they heard it.