First Alert Onelink Smart Smoke & Carbon Monoxide alarm New Factory Sealed

Description

The First Alert Onelink 2-in-1 smart smoke and carbon monoxide alarm alerts you to both types of danger in your home. Voice alerts, as well as notifications via your phone, let you know the type and location of the threat.
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
Alarm sends emergency notifications, via your phone, while voice alerts tell you the type and location of danger
Interconnects with other Onelink devices (sold separately) to create a smart home safety network, so if one alarm sounds, all will; works with Amazon Alexa so you can ask Alexa to check the status of your Onelink alarm
Easy-access battery door, for simple battery changes; replaceable 5-year battery
Compatible with Apple HomeKit; can be used on both Apple and Android devices