Check the listing for details. BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector. Color: White, Condition: New. Listed at 40.95 USD. BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector The First Alert SMICO100 Battery-Operated Combination Smoke and carbon Monoxide Alarm is equipped with First Alerts Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergencyProvides reliable 2-in-1 protection against both smoke and carbon monoxideEnd-of-life warning lets you know when it’s time to replace the alarmBattery-operated alarm allows for easy installation and maintenanceTest/silence button for efficient testing to ensure alarm is working properly Specifications:Brand Name: BRKPower Type: Battery-PoweredSensor Type: IonizationProduct Type: Smoke and Carbon Monoxide DetectorNumber in Package: 1 eachPackaging Type: BoxedWarranty: 10 year Features First Alert BRK Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warningBattery-operated alarm is easy to install and maintainTest/Silence button allows for efficient testing and temporarily silences alarm for up to 8 hoursLatching Alarm Indicator visually identifies the unit that initiated the alarm or low battery