Modern and smart burglary protection - 9 alarm systems tested

Effective protection against intruders is not only provided by securely locked windows, solid door locks, etc., but also by a modern alarm system: such a system is capable of quickly detecting many burglary attempts and triggering an alarm, which should not only inform the residents but also cause the intruders to flee. This time, we have thoroughly tested 9 currently available alarm systems - including all essential components.