alarm system

Maybe I'll break down one of these days and master the alarm system.

You will then ask me if the alarm system is all right.

But even there the alarm system should have been in place.

But you always thought it might be more than just an alarm system of some sort.

A training class about the alarm systems for the power room!

Indeed, one in three new homes comes with an alarm system.

He told her to get an alarm system and she did.

He had been given a key and the code to their alarm system.

Despite the new alarm system, she hadn't really felt safe at home.

"Never turn off the alarm system until the problem is under control."