Photo 1 of Siterwell Detector Carbon Monoxide Detector Combo 10 Year Battery, Meets UL217-9th Standards, Reduced Nuisance Alarms, Smoke and Carbon Monoxide Detector with Bilingual Voice Alerts, 2 Pack

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Photo 1 of Siterwell Detector Carbon Monoxide Detector Combo 10 Year Battery, Meets UL217-9th Standards, Reduced Nuisance Alarms, Smoke and Carbon Monoxide Detector with Bilingual Voice Alerts, 2 PackPhoto 2 of Siterwell Detector Carbon Monoxide Detector Combo 10 Year Battery, Meets UL217-9th Standards, Reduced Nuisance Alarms, Smoke and Carbon Monoxide Detector with Bilingual Voice Alerts, 2 Pack