[ Clean Teeth Deeply, Whiten Teeth Powerful and Improve Gum Health ]: Water dental oral irrigator improves gum health compared with toothbrush, floss which can’t completely clean the hidden parts. With powerful pulsations, it can more efficiently remove food debris hidden deep and massage your gum, prevent teeth stain, bad breath and other oral problems. It’s perfect teeth cleaner for people with braces, implants, crowns, or periodontal pockets. [ 7 Dental Water Jet Tips for Family Use ]: The dental flosser comes with 3 ordinary high-pressure tips and 5 special-use jet tips (1 Orthodontic Tip, 1 Tongue Cleaner Tip, 1 Periodontal Tip, 1 Dental Plaque Tip). Different jet nozzles can deeply and hygienically clean up dental plaque or food debris between your teeth and gum which is hard to clean with toothbrush or flossing. [ 10 Adjustable Water Pressure Settings ]: high efficiency water pulse: 1250-1700 times/min (range of 30-125 PSI to avoid sudden jetting in the process of flossing) to find the most comfortable pressure setting for each family member. Pressure 1-4 for kids and those with sensitive teeth and the beginners. Medium pressure 5-6 settings are best for most people. High pressure 7-10 settings for adults and experienced users. [ 600ML Large Water Tank and Leakproof Design ]: The water flossing with 1m flexible imported hose has 600ml capacity for 90 seconds uninterrupted water flow, easily to control water flow with on/off switch on the handle. Leakproof design will ensure no liquid leaks when you use it. The 360° rotation jet nozzle can reach all areas of mouth and effective in removing tartar and food debris. Note:The bottom of the nozzle can be rotated 360°, but the brush head cannot be rotated. [ Usage Technique and Service ]: When the water current and your gum are at a 90 degree angle, slightly close your lips to avoid the water spraying out, then let the water flow into the sink from the corner of your mouth. Our Water Teeth Cleaner with FDA, CE, FCC, RoHS etc certification.