If you have multiple smoke alarms in the house, an 802.15 wireless interconnect radio allows them to communicate with one another. Using Nest Protect My favorite feature of the Nest Protect is the ...

AC/DC smoke alarm 120v with 10 year sealed battery backup: i12010S-CA. i12010S-CA: 0-47871-10608-0: March 11, 2014-May 13, 2014: CBC's Journalistic Standards and Practices ...