This extension can Upload Multiple Images and Batch selection Images for product.
Support OpenCart v2.0.x
Multiple image upload
Multiple image select
If you have any questions or need to support, please contact us: firstname.lastname@example.org
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PS: This extension only work for product image, and dose not work for product logo. If you want to check the effect, you should to look at Image option of Catalog->Product Management Interface. If you want to use in other image manager, you can upload by the product image manager at first.