Water flosser adopts high-frequency water pulse technology Penetrates deep into the spaces between teeth and cleans your mouth completely Large water tank with a capacity of 200 ml Assembly and installation in one step Cleaning efficiency up to 99.4% Long-lasting battery life up to 90 days 3 modes for easy handling of residue between teeth 3 adjustable modes with different intensity levels, from gentle massage to powerful cleaning to meet different cleaning needs. Powerful cleaning mode Standard mode Gentle cleaning mode Suitable for new users or individuals with sensitive gums Friendly cleaning for initial removal Normal personal galaxies Light use, purchase price 200, selling for 100