ISO lumens is a more stringent standard, meaning that the product complies with the standards of GB 32028-2015 and ISO/IEC 21118:2020(E). Each brightness mode may impact actual brightness levels.
For more information, please refer to: https://xgimi-official-store.myshopify.com/pages/luminance-testing-method
For more information, please refer to: https://xgimi-official-store.myshopify.com/pages/luminance-testing-method