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Warning Alarms

A warning alarm is a device that alerts you to danger or an event before it occurs. These alarms are often used in industrial settings, but they can also be used to alert you to a fire, an intruder, or other emergencies. Browse the top-ranked list of warning alarms below along with associated reviews and opinions. 

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  1. SPT - Wired Mini Strobe Motion Alarm with Red LED Light (DC12V)

    SKU: J3GTZG9C5S

    Product Description

    A compact wired alarm with a bright red LED strobe light for enhanced outdoor security and deterrence.
    See all Door & Window Alarms
    Your price for this item is $17.00
  2. SPT - Wired Mini Strobe Motion Alarm with Red LED Light (DC12V) (4-Pack)

    SKU: J3GTZG9CFP

    Product Description

    A compact wired alarm with a bright red LED strobe light for enhanced outdoor security and visual alerts.
    See all Door & Window Alarms
    Your price for this item is $32.00
  3. SPT - Wired Mini Strobe Motion Alarm with Red LED Light (DC12V) (2-Pack)

    SKU: J3GTZG9CF2

    Product Description

    A compact wired alarm with a bright red LED strobe for clear visual security alerts.
    See all Door & Window Alarms
    Your price for this item is $26.00
  4. First Alert - Carbon Monoxide Alarm

    SKU: J7XK72GXYY

    Product Description

    A battery-powered white alarm that detects carbon monoxide and alerts with a loud 85dB siren.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $50.99
  5. SPT - Jumbo Siren Indoor Strobe Box

    SKU: J3GTZG9CZV

    Product Description

    A weatherproof indoor siren with a flashing strobe light that alerts neighbors and deters intruders.
    See all Door & Window Alarms
    Your price for this item is $33.75
  6. SimpliSafe - Wireless Auxiliary Siren - White

    SKU: J3L6GWR598

    Great product. Simplisafe is the best and very reputable....Love this alarm system for my small home. Great price. Needed an added alarm for upstairs.

    Product Description

    A weatherized white wireless siren emitting a loud 105dB alarm for enhanced indoor or outdoor security.
    See all Security Camera & System Accessories
    Your price for this item is $59.99
  7. First Alert - Voice Alert Hard-Wired Photoelectric Smoke Detector 1 pk

    SKU: J7XK72GYK8

    Product Description

    A hardwired photoelectric smoke alarm with voice alerts, battery backup, and interconnect capability for enhanced safety.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $45.55
    Save $3
    The previous price was $49.15
  8. First Alert - Z-Wave Smoke and Carbon Monoxide Detector - White

    SKU: JJ8Z8VQ43T

    Love that it links into your Ring security system so easily so you can track any issues in advance....Great safety device/linked to Ring System....This is great alarm for smoke and CO.

    Product Description

    A battery-powered white alarm that detects both smoke and carbon monoxide, compatible with Z-Wave smart systems.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $64.99
  9. Jensen - Digital AM/FM Weather Band Alarm Clock Radio with NOAA Weather Alert and Red LED Alert Indicator Ring - Black

    SKU: J79H64F86Q

    Product Description

    A black digital AM/FM weather band clock radio with NOAA alerts and a red LED indicator ring.
    See all Alarm Clock Radios
    Your price for this item is $49.99
  10. Jensen - AM/FM/NOAA Weather Band Clock Radio with Weather Alert - Black

    SKU: J79H64ZVP8

    Product Description

    A black clock radio featuring AM/FM/NOAA bands, weather alerts, and a multifunction white LED display.
    See all Alarm Clock Radios
    Your price for this item is $31.09
    Save $1
    The previous price was $32.49

FAQ

This page features a variety of warning alarms, including smoke detectors, carbon monoxide alarms, water leak sensors, and combination units designed to provide alerts for multiple hazards.

Many warning alarms offered here are compatible with popular smart home platforms, allowing you to receive alerts on your phone and automate responses through connected devices.

Yes, several models include both loud sirens and flashing lights to ensure you are alerted in various situations, making them suitable for different environments and user needs.

Most warning alarms on this page are designed for easy DIY installation, with clear instructions included. However, some advanced systems may offer optional professional installation services.

Warning alarms available here use a range of power sources, including replaceable batteries, sealed long-life batteries, and direct plug-in options for continuous operation.