First Alert Onelink Wi-Fi Smoke and Carbon Monoxide Detector Brand_Add-A-Motor have a two-way conversation

have a two-way conversation

Can be connected to alarm or automation system with the on-board normally

so you can add plug-in modules

Uses 3V CR123A Lithium battery

First Alert Onelink Wi-Fi Smoke and Carbon Monoxide Detector Brand_Add-A-Motor have a two-way conversationThe First Alert Onelink Wi Fi Smoke and Carbon Monoxide Detector detects and alerts you in the event of a smoke or carbon monoxide emergency. It is designed to work with Apple HomeKit on your iPhone, iPad or iPod touch and has voice alerts to tell you the problem and location. It has a 10 year lifespan, longest time permitted by the National Fire Code, giving you a peace of mind away or at home for years to come. Features 2 in 1 Smoke and CO Alarm The