·IP44 protection level: Applicable to dry areas of the bathroom, such as areas near the washbasin and mirror that are not directly exposed to water. ·IP65 protection level: Applicable to wet areas of the bathroom, such as shower rooms, above bathtubs, and other areas that may be directly exposed to water flow or water vapor. ·IP67 or higher protection level: Applicable to extremely humid environments, such as outdoor bathrooms or places that need to be completely immersed in water.