First Alert SMCO110LED-AC, Hardwire Combination Smoke & Carbon Monoxide Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack

First Alert SMCO110LED-AC, Hardwire Mixture Smoke & Carbon Monoxide Alarm with LED Strobe & 10-12 months Battery Backup, 1-Pack
First Alert’s Precision Detection superior sensing know-how reduces cooking nuisance alarms and delivers early warning
Built-in mixture smoke and carbon monoxide alarm and strobe mild in a single machine
Built-in smoke alarm and strobe mild in a single machine. Highly effective LED strobe mild gives efficient visible warning for listening to impaired residents.
Interconnects with most First Alert and BRK alarms so when one sounds, all appropriate alarms sound to offer an early warning
Check/Silence button permits for environment friendly testing and briefly silences alarm for as much as 8 hours