First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector Item #552277 Model #58910156 Dual-action UV protection

Dual-action UV protection

7MWTW1709DM0

rely on Cool-Space evaporative coolers

flanges and shelves

First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector Item #552277 Model #58910156 Dual-action UV protectionThe First Alert SC9120LBL hardwired smoke and carbon monoxide combination alarm with 10 year battery back up features an ionization smoke sensing chamber and an electrochemical carbon monoxide sensor. The 10 year battery backup allows for continued monitoring, for the life of the alarm, even during power outages. Intelligent sensing technology is designed to reduce nuisance alarms and one button silences them if they do occur. The latching alarm