First Alert SC9120LBL Smoke & Carbon Monoxide Detector SummerFun It begins working on contact

It begins working on contact

Self adjusting cleaner head that automatically adjusts between carpets & hard floors sealing in suction

Watering plants and washing your car has never been easier

Liquid filled gauge for durability and more accurate reading

First Alert SC9120LBL Smoke & Carbon Monoxide Detector SummerFun It begins working on contactHighlights: Ionization smoke sensing chamber An electrochemical carbon monoxide sensor 10 Year battery back up allows for continued monitoring For the life of the alarm Intelligent sensing technology is designed to reduce nuisance alarms 1 Button silences them if they do occur Tests detector functions Latching alarm indicator automatically identifies which unit initiated the alarm Even after the conditions that set off the alarm have subsided End of