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X-Sense Smoke Detector, Wireless Interconnected Smoke Alarm with 10-Year Battery Life and Transmission Range of Over 820 ft, SD20-W, Pack of 1 - Amazon.com
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Kidde Code One Smoke Detector, Battery Powered with Ionization Sensor, Smoke Alarm, 6-Pack 21008057 - The Home Depot
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X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector with LCD Display & 10-Year Battery, Over 820 ft Transmission Range, 1-Pack - Amazon.com
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