电子信息产品生产者或进口者应当在其生产或进口的电子信息产品上标注环保使用期限，由于产品体积或功能的限制不能在产品上标注的，应当在产品说明书中注明。

This should be marked on the products when being manufactured or imported. If it can't be marked because of the bulk or function of the products, it must be indicated in the products specification.

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