Hisense RF702N4 I S1 User's Operation Manual page 25

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Correct Disposal of this product
This marking indicates that this product should not be disposed with other
household wastes throughout the EU. To prevent possible harm to the
environment or human health from uncontrolled waste disposal, recycle it
responsibly to promote the sustainable reuse of material resources. To return
your used device, please use the return and collection systems or contact
the retailer where the product was purchased. They can take this product for
environmental safe recycling.