Water Level :- Do not fill excess/less water in jar, always refer to water level mark. (Recommend to use tap water only, Do not use RO/Filter/Mineral Water) Be Careful :- Maintain a distance of at least 7-8cm from the mouthpiece and your mouth to avoid hot surfaces. Inhale the hot air from a distance. After Use :- Once you have completed steam inhalation, let the water in container cool and then throw it away Be Aware :- Never open the jar while device is powered ON, Always use the device at flat surface or table, keep away the children while device is in use.