Soft material makes it gentle on your baby' nasal surface. The gourd-shaped tip is suitable for newborns 0-2 years old. Funnel-shaped tip is suitable for toddlers age 2+ years old. And the bevel-shaped tip is suitable for infants age 2+ years old. The snot storage tank is seperated from the nasal aspirator, you only need to clean it with the silicone tips by clean water, or you can clean them by warm soapy water. Then dry them up and store them in the bag. Highlight Features of Our Electric Baby Nasal Aspirator: 9 Suction Power Levels Level 1: For gentle snot. Level 3-4: For normal snot. Level 5-6: For goopy snot or thin booger. Level 7-8: For tight booger. Level 9: For deep clean. What's The Function of Light? With light function to attract the baby's attention and effectively relieve the baby's nose sucking resistance. Built-In An Upgraded Motor Low noise, the baby is not easy to notice. Especially under the snoothing pinao music, infants will be attracted from cleaning process easily. Built-In 2500mAh Battery Running up to 2 hours continuously under highest suction! Normally, it may take only minutes for each use under 3 suction level. How to Clean Out Your Baby's Nose? Step 1 - Lay your baby down with their head tilted slightly backward. Step 2 - Add a couple drops of saline to loose the mucus. Step 3 - Place the tip inside baby’s nostril, suck out the snots. Step 4 - After each use, clean the nasal aspirator thoroughly.