X-Sense 10-Year Battery (Not Hardwired) Smoke and Carbon Monoxide Alarm with LCD Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC01 - Walmart.com
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Kidde Kidde Smart Smoke Hardwired and Voice Alerts Detector 21032064 - The Home Depot
X-Sense Hardwired Combination Smoke and Carbon Monoxide Detector, Hardwired Interconnected Smoke and CO Detector Alarm with Replaceable Battery Backup, XP04, 1-Pack - Amazon.com
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X-Sense SD01 Smoke Detector, 10-Year Battery (Not Hardwired) Fire Smoke Alarm with Escape Light 3 Pack for Sale in Venice, FL - OfferUp