First Alert Onelink Smart Smoke and Carbon Monoxide Alarm (Wired) (1042135)

Smoke, fire, and carbon monoxide alarm; emergency notifications; voice alerts; interconnected; AC power with battery backup; works with Apple HomeKit. Here are all the features this smart smoke and carbon monoxide detector features from First Alert: SMOKE + CO DETECTION 2-in-1 smart smoke and carbon monoxide alarm alerts you to both types of danger in your home, with a photoelectric smoke sensor and electrochemical carbon monoxide sensor MOBILE + VOICE ALERTS Alarm sends emergency notifications, via your phone, while voice alerts tell you the type and location of danger A HOME SAFETY NETWORK + ALEXA Interconnects with existing traditional hardwired alarms and other Onelink devices (sold separately) to create a smart home safety network, so if one alarm sounds, they all sound; works with Amazon Alexa so you can ask Alexa to check the status of your Onelink alarm (Alexa device sold separately). HARDWIRED Hardwired alarm; for maximum protection, hardwired alarms should be installed on every level of the home and inside each sleeping area COMPATIBILITY Compatible with Apple HomeKit; can be used on both Apple and Android devices INTERCONNECTIVITY: Unlike other smart combo alarms, Onelink can connect with any other hardwired alarms in your home (including First Alert and non-First Alert brands), and can send a mobile notification for any detected emergency, keeping your whole home safe and connected