To ensures smooth and stable operate, we recommend using standard liquid soap with good fluidity Three choices of foam / liquid volumes are provided to meet different use needs Suitable for various places, including bathrooms, kitchens, offices, hospitals, hotels, homes, schools, and restaurants The built-in high sensors automatically senses foam / liquid, completely freeing your hands It can be placed on a countertop and used flexibly plastics, enduring and easy to clean, extending the service life of the product, Manufacturer: APGLSXY