First Alert 1046848 Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup Size:2.25"H x 5.69"L x 5.69"W made of carbon-ceramic

made of carbon-ceramic

the STX-38 is extremely operator-friendly

Our magnetic nut drivers feature a chamfered edge for maximum screw-head engagement while the improved hex geometry allows for the best fit and reduced stripping during use

360° Adjustable Exhaust

including hose extensions

First Alert 1046848 Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup Size:2.25"H x 5.69"L x 5.69"W made of carbon-ceramicWorks with SC5 Smart Alarm Interconnect multiple First Alert SMI105 AC Smoke 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 sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event