<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 17, 2023 at 12:19 PM rjmcmahon via Starlink <<a href="mailto:starlink@lists.bufferbloat.net">starlink@lists.bufferbloat.net</a>> wrote:You’ll hardly ever have to deal with the annoying</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
“chirping” that occurs when a battery-powered smoke detector begins to <br>
go dead, and your entire family will be alerted in the event that a fire <br>
does occur since hardwire smoke detectors can be interconnected.<br></blockquote><div><br></div><div>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.<br></div><div>There are exceptions, the first-generation Nest was pretty bad.</div></div></div>