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Smoke and Carbon Monoxide Detectors

Double your detection with a smoke and carbon monoxide detector from Kidde. 

These combination alarms quickly alert you to both the presence of smoke hazards and dangerous levels of carbon monoxide (CO), a poisonous gas found in many homes. CO is generated by heating and fuel-burning appliances, including fireplaces, water heaters, gas ovens, and generators, and a CO alarm should be installed on every level of your home. A combination smoke and CO detector can alert your family to both dangers, in one discrete, space-saving alarm. Choose from battery powered and hardwired smoke detector and carbon monoxide detector devices, including alarms with voice warnings to alert you to the type of danger being detected. Help protect your family with a Kidde combination smoke and carbon monoxide alarm.

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Retail Price* The price displayed here is a suggested retail price for this model. Please select ‘Where to Buy’ to see the most current prices
Power Source Smoke alarms are powered by battery or by your home's electrical system. If the smoke alarm is powered by battery, it runs on either a disposable 9-volt battery or a non-replaceable 10-year sealed lithium battery. Alarms that receive their power from your home's electrical system (hardwired alarms) usually have a back-up battery that will need to be replaced once or twice a
Safety Features <p>There are many special features that can help protect you and your home, or make your safety products easier to maintain and operate. Many of these features are not well known by their name, so to learn more about specific features of a model, select it and view its detail page.</p> <br /> 'Best' models include many safety and convenience features. <br /> 'Better' models include a few safety and convenience features. <br /> 'Good' models include basic safety
Sensor There are two types of sensing technology available. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms. Kidde strongly recommends that both ionization and photoelectric smoke alarms be installed to help insure maximum detection of the various types of fire that can occur within the

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Hardwired Smoke & Carbon Monoxide Detector 900-CUAR,q_auto,f_auto/v1673279652/kidde/products/combination-alarms/900-CUAR-KIDDE-AC-DC-201-1.png Hardwired Electrochemical & Photoelectric Best $49.99
Battery Powered Smoke & Carbon Monoxide Detector 900-CUDR,q_auto,f_auto/v1674683894/kidde/home-safety/product/900-CUDR/1-Silo_1_Electra_DC_Batt_Door_Open.186.1.png AA Battery Good $44.99 Electrochemical & Photoelectric
Worry-Free Combination Smoke and Carbon Monoxide Alarm with Sealed Lithium Battery Power P3010CU,q_auto,f_auto/v1549711984/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-battery-P3010CU.png 10-Year Battery Photoelectric Best $64.99
Worry-Free Kitchen Sealed Lithium Battery Power Smoke/CO Alarm P3010K-CO,q_auto,f_auto/v1549711984/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-battery-P3010K-CO-angled.jpg 10-Year Battery Photoelectric Better $52.97
Kidde Battery Operated Combination Carbon Monoxide & Photoelectric Smoke Alarm KN-COPE-D,q_auto,f_auto/v1549711987/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-battery-photoelectric-KN-COPE-D.jpg Battery Photoelectric Better $47.99
Kidde Battery Operated Combination Smoke & Carbon Monoxide Alarm KN-COSM-BA,q_auto,f_auto/v1549711984/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-battery-KN-COSM-BA.jpg Battery Ionization Good $44.09
Kidde Intelligent Alarm Battery Operated Combination Smoke & Carbon Monoxide Alarm KN-COSM-XTR-BA,q_auto,f_auto/v1549711984/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-battery-KN-COSM-BA.jpg Battery Ionization Better $48.99
Worry-Free AC Hardwired Combination Smoke & Carbon Monoxide Alarm Sealed Lithium Battery Backup i12010SCO,q_auto,f_auto/v1549711987/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-I2010SCO.jpg Hardwired Ionization Best $92.60
Firex™ AC Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm KN-COPE-IC,q_auto,f_auto/v1557838903/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-hardwired-photoelectric-KN-COPE-IC.jpg Hardwired Photoelectric Better $59.99
Hardwired Combination Carbon Monoxide & Smoke Alarm - KN-COSM-IBA KN-COSM-IBA,q_auto,f_auto/v1549711987/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-hardwired-KN-COSM-IBA.jpg Hardwired Ionization Good $55.99
AC Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm P4010ACSCO,q_auto,f_auto/v1549711987/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-hardwired-P4010ACSCO-W.jpg Hardwired Photoelectric Better $67.00
Wire-Free Interconnected AC Hardwired Combination Smoke and Carbon Monoxide Alarm P4010ACSCO-W,q_auto,f_auto/v1549711987/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-hardwired-P4010ACSCO-W.jpg Hardwired Photoelectric Best $91.50
Wire-Free Interconnected Battery Powered Combination Smoke and Carbon Monoxide Alarm P4010DCSCO-W,q_auto,f_auto/v1549711986/kidde/products/smoke-alarms/kidde-smoke-alarm-carbon-monoxide-alarm-battery-P4010DCSCO-W.jpg 10-Year Battery Photoelectric Best $79.37
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