?2 Years Warranty?The dental oral rinse is ideal for preventing oral problems such as tooth decay, plaque, calculus, dental implants, orthodontics and periodontitis. You will receive 1 flosser, 6 replacement nozzles, 1 USB charging cable and 1 user manual. With 2-year-all-back warranty, any questions please contact our seller. ?Convenient and Safe?The rechargeable oral irrigator can be fully charged in 4 hours. USB charging can charge with a computer, power adapter, power bank or car charger and lasts approximately 21 days of continuous use. ?400mL Large Water Tank?The 400ML removable water tank with gravity ball provides adequate, uninterrupted oral flossing. No more adding water twice during one use, even in hard to clean oral environments!The flosser is made from food-grade materials, safety to use. ?5 Modes Adjustable & 6 Nozzles?The oral irrigator has 5 adjustable modes (LOW, MID, HIGH, PULSE, LOWEST) to meet different needs. Compared to other 3 mode water flosser, which allows you to select the most suitable pressure for you. 6 multifunctional nozzles for use by different members of the family. Orthodontic tips nozzles and periodontal tips nozzles are also available. The nozzle can clean every corner, keep teeth and gums healthy. ?Water Flosser for Teeth? With up to 1,800 pulses per minute and up to 130 PSI powerful water pressure, our water flosser cleans deep between teeth and below the gum line where regular flossing can't reach. Effectively removing 99.99% of food residue and plaque, keeping your breath fresh and improving your oral health.