 | | Talking alarm announces the hazard type detected, helping to speed up reaction time. A single unit can be installed where previously two were needed. Battery safeguard ensures the unit cannot be accidentally mounted without batteries installed. Test-reset button tests alarm circuitry and triggers the voice announcement. Meets requirements of Underwriters Laboratories (UL), an independent facility that tests products for safety compliance. | | $0.00
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 | | Plug-in carbon monoxide alarm with battery back-up and digital display. Uses electrochemical carbon monoxide sensor--the most accurate technology available. Simple to use silence/test button. Low battery warning; end-of-life timer. Includes two AA batteries; 7 year limited warranty. | | $24.00
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 | | Superior carbon monoxide sensor and dual ionization smoke alarm. Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms. Easy to install universal mount bracket. Simple to use silence/test button; separate smoke and CO latching alarm indicators. 9-volt battery included; 5-year limited warranty. | | $27.25
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 | | 120-volt AC plug-in carbon monoxide alarm with battery back-up. Uses electrochemical carbon monoxide sensor--the most accurate technology available. Simple to use silence/test button. Low battery warning; end-of-life timer. Includes 2 AA batteries; 7 year limited warranty. | | $18.99
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