The phrase "as a security device" is correct and usable in written English.
It can be used when referring to an object or method that is intended to provide protection or safety.
Example: "The software was designed as a security device to protect sensitive information from unauthorized access."
Alternatives: "as a protective measure" or "as a safety mechanism".
As a security device, deed poll proof is less than worthless.
At the same time, it deactivates a tag or tape hidden in the book as a security device.
Panahi is driving the car, pretending to be a cab driver, encountering strangers, acquaintances, and even a relative — and filming the encounters with a dashboard-mounted camera that he passes off as a security device.
He explains the third-person approach (actors never refer to their characters as "I") as a security device: "Actors are not thrown on their own insecurities, because they are concerned with the character.
His comedic drama "Taxi," from 2015, is a lesson in how to make a movie without appearing to make a movie: he drives a taxi in Tehran, and most of the movie's action — which takes place inside or just outside his cab — is recorded on a tiny camera, affixed to the dashboard, that he identifies to passengers as a security device.
Sept. 11 and the 2001 anthrax scare really made a case for BlackBerry's necessity as a security device.
As a stretch goal the team will add a camera to the mix, allowing you to use the router as a home security device and a built-in audio out for wireless streaming.
Set up the camera as a rudimentary security device, e-mailing you a picture whenever it senses motion.
Along with that, Vector also gets an HD camera with a 120-degree field of view, so it can double as a roaming security device (that functionality is coming next year), and four microphones, which allow it to Alexa-style commands with a "Hey Vector".
This handheld, color LCD touch screen communicates via 802.11 b (Wi-Fi) and can double in its spare time as a security cam monitoring device.
So-called "data vaulting," the online backup of encrypted data over the Internet or private networks, has been proffered by some software suppliers as the best security device since the padlock.
