The travel oral irrigator washes away food debris caught between teeth, periodontal pockets, and around orthodontic appliances with a water jet. This is battery operated, so it is easy and ready to be used right away. It is designed to fit in the palm of your hand, making it easy to store and carry. Enjoy dental care at home and on the go.Compact Size for Easy Portability and StorageStorable NozzleWashes Away Food Debris in Every AreaAdjustable to 2 Levels of Water Pressure35 Seconds of UsePowered by 2 AA batteries for 20 minute use,150 mL water tankCompletely detachable and dishwasher-safe water tank2 x AA batteries (not included)