本产品自带背胶

安装前请注意清洁安装位置

保证安装位置干净，无灰尘杂物，无油脂

装后请保证48小时不接触水源

?This product comes with adhesive

Please pay attention to clean the installation location before installation

To ensure that the installation location clean, no dust debris, no grease

Please ensure that 48 hours after the installation of water