“An alarm might sit there for years and do nothing, You only need it to work once”
Professionally installed alarm systems are not only your last line of defense against break-ins but they work so well as deterrents, most insurance companies offer discounts when you have one.
Consumer alarms
There are many consumer grade alarm systems that are available such as Ring, or Simple safe,
And there are many applications where these devices work extremely well, but does that mean they are right for you.