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  2. Whelen Engineering Company - Wikipedia

    en.wikipedia.org/wiki/Whelen_Engineering_Company

    The siren's appearance is best described as a small dish on a square rotator platform, with the single driver located at the center of the horn. It is the smallest outdoor siren made by Whelen. The siren can sound six signals, just like most other sirens produced by Whelen; [ 8 ] however, it is not voice-capable like the company's WPS-2900 and ...

  3. Rumbler siren - Wikipedia

    en.wikipedia.org/wiki/Rumbler_siren

    Rumbler siren. A Rumbler siren is a type of emergency vehicle siren used primarily in the United States.Developed in 2007 by Federal Signal Corporation, and sounding at a low-frequency level, it is designed to be heard by motorists who may otherwise be unable to hear high-frequency sirens due to ambient noise, such as urban traffic.

  4. Car alarm - Wikipedia

    en.wikipedia.org/wiki/Car_alarm

    Car alarm siren. A car alarm is an electronic device installed in a vehicle in an attempt to discourage theft of the vehicle itself, its contents, or both.

  5. List of sirens built by Alerting Communicators of America

    en.wikipedia.org/wiki/List_of_sirens_built_by...

    This siren is similar to Federal Signal's Thunderbolt series. Only a single unit remains in service in Milwaukee, WI. Screamers Electro-Mechanical 2, 5, 7.5, 10 8, 9, 9/12, 10/12 1968–1994 Omni Directional 102–115 dB at 100 ft. Series of small vertical sirens, comparable to Federal Signal Corporation's vertical sirens. Sentry 95

  6. White House finalizes rules banning Chinese, Russian tech in ...

    www.aol.com/finance/white-house-finalizes-rules...

    The rules also effectively ban Chinese- and Russian-made cars that incorporate the technologies in question. This ban comes after the White House quadrupled tariffs on some Chinese EVs to over 100% .

  7. Convicted felon in fake patrol car with sirens pulled over by ...

    www.aol.com/news/convicted-felon-fake-patrol-car...

    The man was arrested Feb. 28 after police pulled over his vehicle and discovered it wasn’t a real patrol car, despite having a functioning blue-light bar and sirens, according to a March 8 ...

  8. Video of LAPD high-speed chase that killed two bystanders ...

    www.aol.com/news/video-lapd-high-speed-chase...

    A Los Angeles police car dash cam of a pursuit shows officers chased a fleeing motorist at high speed for at least 80 seconds before the ... The sirens can be heard continuously in about the last ...

  9. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    A siren is a loud noise-making device. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines.