Meaning of intruder alarm in English:

intruder alarm

noun

  • An electronic device that emits a loud noise when someone attempts to gain unauthorized entry to a building or other premises.

    ‘staff arrived to find an intruder alarm had been activated’
    • ‘The house has gas-fired central heating, double glazed windows, garden lighting and an intruder alarm.’
    • ‘The warehouse is protected by an intruder alarm system.’
    • ‘This article is designed to give you an idea of the sort of intruder alarm protection you'll need in a private house.’
    • ‘Funding is not available for conventional intruder alarms or equipment installed prior to Departmental approval.’
    • ‘The council also keeps a confidential register of names and contact details of keyholders for intruder alarms.’
    • ‘It is thought the raiders fled in the vehicle after the intruder alarm went off.’
    • ‘Work is taking place to upgrade intruder alarms and CCTV systems and to install fencing and shutters to deter intruders.’
    • ‘Taking intruder alarms as an example, he said false alarms averaged 3.94 per system per year in 1989.’
    • ‘The bunker is the size of a double garage with 3 fences around it, a microwave intruder alarm detection system and 32 armed policemen.’
    • ‘Most schools now have better fences, more secure entrances, security cameras and intruder alarms.’