First Alert SCO500NVA Onelink Battery Operated Combination Carbon Monoxide and Smoke Alarm with Interconnect Compatibility

Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until it’s too late. Since symptoms of CO poisoning are like the flu, you might not even know you're in danger at first. That's why a carbon monoxide alarm is an excellent way to protect your family. It can detect the CO you can't see, smell or taste in the air. The First Alert Onelink combination carbon monoxide and smoke alarm links the alarms throughout your home. This item is battery operated and comes with 2 AA batteries. By adding Onelink battery powered alarms around your home, when one alarm sounds, all alarms will be notified. Easily link alarms with the press of a button and also contains a mute alarm. The easy access battery drawer means there’s no need to remove an alarm from the ceiling to change battery. The First Alert SCO500NVA carbon monoxide and smoke alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. The alarm uses photoelectric smoke sensing technology which is environmentally friendlier and which reduces nuisance alarms, making it ideal for cooking areas. It is also great for sensing slow smoldering fires quickly. The permanent sensors last the lifetime of the alarm. The test/silence button both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality. The alarm uses different 85-decibel horns and lights depending on whether it's alerting you to smoke or carbon monoxide. The end-of-life alarm gives 3 chirps so you know it’s time to replace the unit. UL listed. The First Alert SCO500NVA ONELINK Battery Operated Combination Carbon Monoxide and Smoke Alarm comes with a 5-year limited warranty. First Alert is the most trusted brands in home safety. Our mission is helping protect the lives, well being and the valuables of our customers.

Battery powered combination photoelectric smoke detector and carbon monoxide detector with ONELINK wireless interconnect. Up to 18 ONELINK detectors can be linked wirelessly so when one goes off, they all go off! User friendly features include easy-access battery door which allows for battery changes without removing the detector from it's mounting location and end of life timer which signals when the detector should be replaced. Low battery warning so you know when it's time to change batteries, and a mute button that instantly silences nuisance alarms.