First Alert Interconnect Hard-Wired w/Battery Back-up Ionization Smoke Detector 1 pk Drywall Saws non-pasted and paste-the-wall (non-woven) borders

non-pasted and paste-the-wall (non-woven) borders over any wallpapered or painted surface

Super holding power

Increased wall thickness improves durability and minimizes tooth loss when cutting metal

alkalies and most chemicals

First Alert Interconnect Hard-Wired w/Battery Back-up Ionization Smoke Detector 1 pk Drywall Saws non-pasted and paste-the-wall (non-woven) bordersThe First Alert SMI105 AC Interconnect Hardwire Smoke Alarm with 10 Year Battery Backup uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. Interconnect multiple alarms together to help provide an early warning throughout your whole home and have peace of mind knowing the 10 year battery backup provides continuous protection in the event of a power outage. First Alert's Precision Detection advanced