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Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector with Voice Alert

First Alert Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector with Voice Alert

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Will this unit also interconnect with the just smoke detector models?


Thank you for your question. The SCO500 will only link with the SA511 & CO511- They do so wirelessly using radio frequency. No other stand-alone (battery only) smoke alarms will link with it or other AC units (other than the SA520) will link with it.

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