8 Nozzles 360 Rotation This water flosser is equipped with 8 nozzles which can be used with your family Nozzles with different functions to meet your different needs standard nozzles tongue cleaner periodontal tip and orthodontic tip 360 rotatable nozzle design allows you to easily clean the interior side that are difficult to reach SUGGESTION To Keep Hygiene its recommended to replace the nozzle 3 month 5 Cleaning Modes For Your Choice Soft40psi for children or firsttime user Gentle60psi for gentle cleaning of sensitive gums Normal100psi For effective cleaning Strong120psi for people who have high requirements of teeth and gum cleaning Pulse Massage Gum 40 and 120PSI speed switch Please choose soft mode when you use this electric water flosser for the first time 230ML Detachable Water Tank IPX7 Waterproof 230ML large water tank provides enough and uninterrupted oral dental flossing With doublesealing rings This cordless water flosser Picks prevent water leakage reliably water flosser with nonslip design can use for shower in the bathroom and The water tank is detachable so you could clean it easily Improve Gum Health and BrightensTeeth With 40120PSI strong water pressure and upgraded unique pulsation technique the cordless water flosser can powerful cleaning 9999 food residue every corner precisely that traditional brushing can not reach Specifically designed for periodontitis braces 1800mAh Powerful Battery with USB Cable The water flosser builtin latest technology lithium battery is portable and rechargeable the water teeth cleaner pick cordless water dental flosser will last up to 30 days continuous use after one fully charged in just 4 hours USB cable is included