First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
by First Alert
- Superior carbon monoxide sensor and dual ionization smoke alarm, Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms, Easy to install universal mount bracket, Simple to use silence/test button; separate smoke and CO latching alarm indicators, 9-volt battery included; 7-year limited warranty
