fire alarm system monitoring
View SiteBest ValueKidde KN COSM B RFThis is the least expensive smoke detector we reviewed, and it’s easy to install because it doesn’t hardwire into your home’s electrical grid. All in all, it’s a great budget pick. View SiteBest for Apple HomeKitFirst Alert Onelink AC10 500The First Alert Onelink AC10 500 is easy to use, integrates seamlessly with Apple HomeKit and has a long warranty. Unfortunately, it doesn't have an Android app. View SiteProductPriceOverall RatingPriceDetection and AlertsDesignPrice Compared to AverageDetection EfficiencySmoke SensorCarbon MonoxideVoice AlertsRemote HushEase of UseWarrantyDetector LifetimePower OptionsSmart Home PlatformFirst Alert Onelink AC10 500View Deal4. 5/54. 64. 54. 5/554. 64. 54.