The First Alert 1039723 Safe and Sound Smart Smoke and CO Alarm and Speaker offers advanced protection and convenience for your home. This intelligent 2-in-1 device not only detects smoke and carbon monoxide but also sends mobile alerts specifying the type and location of the hazard. Using the Onelink Home companion app, you can test, silence the alarm, control entertainment, and adjust the built-in nightlight. Compatible with Apple HomeKit, the Apple Home app, and AirPlay2, it integrates seamlessly with your smart home. The hardwired design connects easily via an adapter plug, allowing straightforward replacement of existing alarms. Featuring built-in Alexa Voice Services, it lets you play music, access news, audiobooks, and manage smart home devices such as lights and locks. Upgrade your home safety with this multifunctional alarm and speaker today!