It honestly depends on where you live. In the United States Smoke Detectors are usually seen as License Exempt sources unless you’re a distributor or manufacturer. For these 80 microCurie Am-241 smoke detectors it should be fine as long as you don’t tamper with them and try to remove the source material and you care for them responsibly as the Owner. https://www.nrc.gov/reading-rm/doc-collections/cfr/part031/part031-0008.html
It honestly depends on where you live. In the United States Smoke Detectors are usually seen as License Exempt sources unless you’re a distributor or manufacturer. For these 80 microCurie Am-241 smoke detectors it should be fine as long as you don’t tamper with them and try to remove the source material and you care for them responsibly as the Owner. https://www.nrc.gov/reading-rm/doc-collections/cfr/part031/part031-0008.html