Combination Smoke & CO Alarm, 10 Year Sealed Battery, 85 dB, Optical

Alarm sound level: 85 dB(A) at 3 m. Clear alerts: distinct alarm sounds and indicator LEDs for each hazard. 2-in-1 protection: optical smoke and electrochemical CO sensing for rapid detection. Test & hush button: easy weekly testing and nuisance alarm silencing.

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