Smoke alarms such as
the Roost RSA - 400 and the Nest Protect are designed to pick up both types of fires.
Roost RSA - 400 is a 12 - Volt hardwired 4 - in - 1 top rated smoke detectors that sense not only fast flaming or slow smoldering fires but also Carbon monoxide and natural gas leaks.
So you could say buying
the Roost RSA - 400 is like buying USI's detector and getting the smart battery for free.
Easy connectivity with Wi - fi and compatibility with iOS as well as Android systems allows
Roost RSA - 400 to send alarms on your computer and phones.
At the end of the day,
the Roost RSA - 400 is a solid smart smoke and carbon monoxide detector.
The Roost RSA - 400 Alarm is a little tricky to sync with its app, as it entails using your phone to play a noise to the battery.
At just $ 79.99,
the Roost RSA - 400 Hardwired Smart Smoke / Fire / CO / Natural Gas Alarm is our pick for best value detector.
The Roost Smart Battery, which is the same smart monitor used in
the Roost RSA - 400, is actually easier to set up when purchased on its own, and it delivers the same fast, high - quality notifications.
Not exact matches
The
Roost Smart Smoke Alarm
RSA - 400, $ 80 (shown up top), detects the presence of natural gas — an industry first, according to
Roost CEO Roel Peters — and carbon monoxide as well as the smoke from a smoldering fire or the flames from a fast - moving fire.