On Fri, Mar 17, 2023 at 12:19 PM rjmcmahon via Starlink < starlink@lists.bufferbloat.net> wrote:You’ll hardly ever have to deal with the annoying > “chirping” that occurs when a battery-powered smoke detector begins to > go dead, and your entire family will be alerted in the event that a fire > does occur since hardwire smoke detectors can be interconnected. > Off-topic, but the sensors in these hardwired units expire after 10 years, and they start beeping. The batteries in modern battery-powered units with wireless links expire after 10 years, along with the rest of the unit, and they start beeping. There are exceptions, the first-generation Nest was pretty bad.