Home Improvement * | First Alert Onelink Smart Combo Smoke&Co Alarm, Hardwire&Battery Excellent Quality

First Alert Onelink Smart Combo Smoke & Co Alarm, Hardwire & Battery
The First Alert Onelink 2-In-1 Smart Smoke And Carbon Monoxide Alarm Alerts You To Both Types Of Danger In Your Home. Emergency Notifications Alert You To Danger Via Your Phone, While Voice And Location Technology Tell You The Type And Area Of Danger; The Alarm Also Uses A Traditional 85-Decibel Siren. Onelink Interconnects With Other Existing Traditional Hardwired Alarms And Other Onelink Devices (Sold Separately) To Create A Smart Home Safety Network, So If One Alarm Sounds, They All Sound.