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  2. 'Bright and reliable': These motion-sensor solar security ...

    www.aol.com/lifestyle/bright-reliable-motion...

    These motion-activated lights are priced to move — on sale for $12 for a four-pack!

  3. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

  4. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically activated lighting ...

  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. Changes coming to outdoor warning sirens in Hillsdale County

    www.aol.com/changes-coming-outdoor-warning...

    Beginning March 4, a date planned to mark the beginning of the 2024 testing schedule, the outdoor warning sirens will include a solid steady siren that will sound for one minute (during an actual ...

  7. Hear an outdoor emergency siren in the county? Here's ... - AOL

    www.aol.com/hear-outdoor-emergency-siren-county...

    One of 67 of the St. Joseph County outdoor warning sirens are in place Monday, Feb. 27, 2024, at 1511 Milburn Boulevard at LaSalle Elementary School in Mishawaka.