Power source Battery Powered Unit count 1.00 count Material Acrylonitrile Butadiene Styrene [The Portable Design &Deep Clean] This Water Flosser Is Designed With Telescopic Water Tank And Integrated Storage Nozzle, Which Greatly Reduces The Volume Of The Product Compared With Similar Products And Is Very Convenient To Carry Around. This Water Flosser Can Offer High Pressure Water Pul-se 1400 Times &110PSI Strong Water Pressure, Which Is The- Most Convenient And Most Effective Way To Floss, Removing Up To 99.9 Percent Of Plaque From Treated Areas And Improve Gu-m Hea [Carry On Size] Cordless And Lightweight, This Water Teeth Cleaner Picks Is Ideal For Travel, 4 Interchangeable Jet Tips Included For Your Whole Family. The 360rotatable Nozzle Allows You To Easily Clean Areas That Are Difficult To -ch And Tooth Decay, Den- Plaque, Den- Calculus,gingival Bleeding And Den- Hypersensitivity.