First Alert BRK 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector Item #1614128 | Model #CWL515C-BX-LW High efficiency 1/2 HP motor

High efficiency 1/2 HP motor and quiet fan operation

Supported operating systems

Constructed of 22-gauge brass with a chrome finish to resist corrosion and provide extra strength and durability

so there is no chance of false alarms

First Alert BRK 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector Item #1614128 | Model #CWL515C-BX-LW High efficiency 1/2 HP motor120V AC DC Interconnectable Ionization Smoke & CO Alarm w 10 YR Locked Battery Backup Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning 10 Year battery backup provides continuous