Meanings of alarm device in English

The instant he opened the door, the burglar alarm device was activated.

He figured he must have set off some kind of motion detector or alarm device.

The alarm device had been smashed.

Kerans looked down irritably at the alarm device on the table, resenting his diminishing control over his own motives.

He walked to the driver's side and ran his hand around the panel and left front fender; there was no alarm device.

He sped faster up the stairs, but he kept a watch for any surveillance or alarm devices.

All sorts of alarm devices have been put in the house, and the ground for half a mile around it has been electrified.

Before proceeding to Employee Entrance Four, he located three key points in the durrilide wall and deactivated their alarm devices without breaking the circuits.