AmazonBasics B07WV5WN7B Bedienungsanleitung Seite 10

Never use corrosive detergents, wire brushes, abrasive scourers,
metal or sharp utensils to clean the product.
Store the product in its original packaging in a dry area. Keep away
from children and pets.
Statement
subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate the equipment.