4 Cleaning Modes Strong Mode Is For Removing Food Residue, Normal Mode Is Suitable For Daily Cleaning Needs, And Gentle Mode Is Suitable For First-Time Users And Sensitive Teeth. In Diy Mode, You Can Set Your Own Personal Water Pressure Intensity By Pressing And Holding The Power Button. From 20 Psi To 140 Psi For Powerful Cleaning, Suitable For All Tooth And Gum Diseases. Enjoy Cleaner And Ier Teeth And Mouth With Daily Use.5 Nozzle Attachments The Tooth Cleaner With 360 Rotating Nozzle Design Allows Easy Cleaning Of Hard-To-Reach Interiors. 1 Regular Cleaning Nozzle, 1 Orthodontic Nozzle, 1 Plaque Nozzle, 1 Tongue Scraper Nozzle And 1 Hook Nozzle For Cleaning The Inside Of Teeth, Which Meets Different Application Needs. Easy To Use Our Water Flosser With A Large Removable 300Ml Water Tank, Suitable For Daily Oral Cleaning. With Ipx7 Waterproof Function, You Can Ly Use The Oral Irrigator In The Bathroom. The Innovative Memory Function Can Help You Keep Your Favorite Modes For Your Next Use. In Diy Mode, The Last Used Water Pressure Is Also Retained. Safe And Effective The Design Is Ergonomic And The Handle Is Non-Slip And Feels Very Good In Your Hand. High Cleaning Efficiency, Various Modes And Nozzles To Prevent Tooth Decay, Tartar, Plaque, Bleeding Gums And Other Dental