Smoke Detectors

no, the SS smoke detectors are self contained

And SS removed the search function two years ago, apparently it's not important to them.  Most of us use google, just type into google's search box:

site:simplisafe.com/forum your search terms

Hey Scott204, are you asking whether the detector will physically fit over the hole left by a wired detector? There are screws that come with the SimpliSafe smoke detector so it should screw in. Do you have a photo of the electrical box to which you're referring?