1.200ml Detachable Water Tank & 5 Replaceable NozzlesThe removable full-opening water tank allows you to thoroughly clean the limescale and dental plaque, which is impossible for common oral irrigatorsOur water flosser is equipped with 4 different Dental Oral jet nozzles and 1 Nasal Jet nozzle for use by family members to keep oral health together.^ 2.BatteryBattery: 2000mAh^ 3.4 Modes & 360 Rotatable Nozzles Normal, Gentle,Strong and Pulse modes to meet various oral care needs. The 360rotatable nozzle design allows you to easily clean the areas that are difficult to reach and prevents debris and dental plaque.^ 4.Reinforce WaterproofThe Reinforce Waterproof design is adopted in both internal and external to provide dual protection. The intelligent design prevents leakage and allows the dental flosser to be used safely for shower in bathroom.^ 5.Portable Design for TravelCordless and lightweight, this portable water flosser is ideal for travel.