Honeywell 4820HDHM User Manual page 5

The crossed out wheeled bin symbol informs you that the product
should not be disposed of along with municipal waste and invites you to use
the appropriate separate take-back systems for product disposal.
If you need more information on the collection, reuse, and recycling systems,
please contact your local or regional waste administration.
You may also contact your supplier for more information on the
environmental performances of this product.
Germany
If your product is marked with the GS symbol, then the product has
been issued a GS certificate showing compliance to IEC 60950-1
and IEC 60825-1.
Australia/NZ
C-Tick Statement
Conforms to AS/NZS 3548 EMC requirements.
Japan (4820i, 2020-5B)
Complies with Technical Regulations Conformity Certification of Specified
Radio equipment.
Mexico
Comision Federal de Telecomunicaciones (radio aprobación)
Safety approval conforms to NOM-019.