AA batteries required (best with Polaroid AA batteries) The Graco NasalClear Baby Nasal Aspirator easily and safely clears your baby's stuffy nose Dishwasher safe parts for hassle-free cleaning and sterilization Clear plastic collection cup helps you evaluate baby's congestion level . For ages 0+ Battery operation lets you maintain or release suction as needed on this infant nasal aspirator NOTE:Kindly refer to the user manual provided as a PDF manual in the product description section