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2. Recall Alert: Lowe's and Amazon Pull Carbon Monoxide Alarms - AOL

   www.aol.com/recall-alert-lowes-amazon-pull...

   The recalled DeNova Detect alarms were sold at Lowe’s stores nationwide, and online at Lowes.com, Amazon.com, and Denovadetect.com from December 2023 through July 2024. The purchase price was ...

3. Carbon monoxide detector - Wikipedia

   en.wikipedia.org/wiki/Carbon_monoxide_detector

   Battery-powered devices advertise a battery lifetime of up to 10 years. The gas sensors in CO alarms have a limited life span, typically two to five years. [7] Newer models are designed to signal a need to be replaced after a set period. CO detectors all have "test" buttons like smoke detectors, but the test buttons only test the battery ...

4. Smoke detector - Wikipedia

   en.wikipedia.org/wiki/Smoke_detector

   Residential smoke alarms are usually powered with a 9-volt battery, or by mains electricity. Some smoke alarms use a combination of the 2; usually using a battery as an extra power source in the event of an outage. Commercial smoke detectors issue a signal to a fire alarm control panel as part of a fire alarm system. Usually, an individual ...

5. First Alert - Wikipedia

   en.wikipedia.org/wiki/First_Alert

   The three-man team (Burke-Roberts-Kimberlin) invented the first battery-powered smoke detector [3] [4] 1964- Began commercial manufacturing of the first battery-powered smoke detector; 1967- Pittway began manufacturing the alarms; 1974-Sears begins selling the BRK model SS-74R battery powered smoke alarm; 1992-Sold to T.H. Lee & Associates

6. Fire alarm system - Wikipedia

   en.wikipedia.org/wiki/Fire_alarm_system

   The batteries can be either inside the bottom of the panel or inside a separate battery box installed near the panel. Initiating devices: These components act as inputs to the fire alarm control unit and are manually or automatically activated. Examples include pull stations, heat detectors, duct detectors, and smoke detectors.

7. Gas detector - Wikipedia

   en.wikipedia.org/wiki/Gas_detector

   Gas detectors come packaged into two main form factors: portable devices and fixed gas detectors. Portable detectors are used to monitor the atmosphere around personnel and are either hand-held or worn on clothing or on a belt/harness. These gas detectors are usually battery operated.