Update 5 Cleaning Modes--with 5 adjustable pressure levels30-110PSI strong water pressure. Other products have only 3 modes we offer 5 modes to choose form Personalized care dental jet cleaner. The cordless dental water flosser can satisfied with all daily need Highly recommended by dentists and orthodontists suitable for all types of people.? Unique Gravity Ball Design --portable water flosser solved the pain point of most oral irrigator must be held upright or specific angle or it won't spray water.Inspiration comes from baby bottlewe adopts soft pipe with gravity ball design so the end of pipe will move to where you tilt in any angle when you use it.?6 Replacement Nozzles and IPX7 Waterproof--The package including a tongue cleaner toothbrush 4 different standard nozzles and each standard nozzle has different functions two for normal interdental cleaning one for gingival cleaning one for orthodontic cleaning. Everyone can choose the right mouthpiece for their teeth.and the power water flosser is IPX7 waterproof for full water washable even use it in the shower.? Leak-proof and Easy to Clean Water Tank -- with 300ml water reservoir provides enough and uninterrupted oral dental flossing.Just press the button the water tank can be disassembled. it's much easier to clean the limescale inside of the water irrigator tank.Internal Leakproof Drainage Design has exclusive patent which provides you safe and comfortable flossing experience.?PERFECT QUAITY -- CE FCC and FDA certification approved for safe usage. If you have any problem or suggestion please kindly contact us freely____ we will try our best to let you satisfied.