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This combo pack bundles together a battery-operated smoke alarm and CO alarm, offering protection against carbon monoxide and fast-flaming fires at an affordable price.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCost-effective combo pack bundles together a smoke alarm and CO detector\u003c\/li\u003e\n\u003cli\u003eElectrochemical sensor detects carbon monoxide\u003c\/li\u003e\n\u003cli\u003eLoud 85-decibel alarms can be heard easily\u003c\/li\u003e\n\u003cli\u003eBattery-operated alarms install easily; includes (2) 9-volt batteries\u003c\/li\u003e\n\u003cli\u003eIonization smoke sensor reliably detects smoke from fast-flaming fires\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"First Alert","offers":[{"title":"1039879; 1039879 Smoke and Carbon Monoxide Alarm Combo Pack","offer_id":51388202811666,"sku":"1039879","price":0.0,"currency_code":"USD","in_stock":false},{"title":"CO403; CO403 Smoke and Carbon Monoxide Alarm Combo Pack","offer_id":51388202844434,"sku":"CO403","price":0.0,"currency_code":"USD","in_stock":false},{"title":"SCO403; SCO403 Smoke and Carbon Monoxide Alarm Combo Pack","offer_id":51388202877202,"sku":"SCO403","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3031\/3490\/files\/SCO403_Front_900x900px_143cb36c-f60e-4dd3-a2e1-2d7e2beae350.jpg?v=1780650419"},{"product_id":"battery-operated-smoke-and-carbon-monoxide-alarm","title":"Low Profile Battery Powered Photoelectric Smoke and CO Combo Alarm","description":"\u003cp\u003eThe First Alert PC1200 Battery-Operated Smoke and Carbon Monoxide Alarm has a slim profile, designed to blend more fully into the wall and out of sight. 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This combination smoke and CO detector offers the same functionality you expect from First Alert with a new design that takes up less space. 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Equipped with a photoelectric smoke sensor and an electrochemical CO sensor, it accurately detects smoke produced by smoldering fires and carbon monoxide leaks from multiple sources. 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The 120-volt CO smoke alarm features a photoelectric smoke sensor and electrochemical carbon monoxide sensor for complete peace of mind. The voice warning alerts you to the type of danger, as well as the location. This CO and smoke alarm is designed to be hardwired into your home or office. 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