Specifications: 1.Product Name: YTC-203 Oral irrigation machine for adults; 2.Water pressure range: 30-120 PSI; 3.Material: 100% high quality ABS plastic body and 100% high quality PC material water tank; 4.Power adapter input voltage: compatible with global voltage 100-240 V; 5.Power: Input: DC 5V / 1A, output: 3.7V / 5W 6.Pulse rate: 1400 times/min; 7.Certification: CE/FC/FDA; 8.Battery capacity: 1400 mAh rechargeable lithium battery; 9.Charging mode: convenient portable USB charging; 10.Waterproof level: IPX8; 11.Charging time: 4 hours; 12.Time of operation at full charge: 15 days work twice a day or continuous operation 60 minutes; 13. Water Tank Type: Detachable Large Capacity 300ml Water Tank. Our Advantage And Main Function: Super Powerful Cordless Water FlosserCordless water flosser adopts high-frequency pulse technology, delivering up to 1800 times/minute strong water flow, quickly removing 99.9% trapped food debris between teeth that daily cleaning cant reach. Powerful Battery and Portable DesignWater flossers for teeth built-in with a 1100mAh rechargeable lithium battery, fully charged only 4 hours and used continuously for about 25-30 days! This water dental flosser comes with a power USB cableAdapter Not Included, charge it easily with your car charger, a power bank, or even your laptop. Our water flosser teeth cleaner is cordless and lightweight, ideal for travel and every outdoor activity as well as home use. 5 Flossing Model, for Adults and KidsThe cordless water flosser features 5 settings of water pressure range from 30-130psi with a low noise design less than 50db, Deep clean your teeth, stimulate and massage the gums, you can always find a favourite model according to your different oral care needs, even for sensitive tooth. Upgraded 300ml Detachable Water Tank & IPX7 WaterproofUpgraded 300ML ultra-large water tank provides enough and uninterrupted oral dental flossing, and the cordless water flosser lock system can help to remove the tank easily and cleaned thoroughly. IPX7 waterproof design make you can use it for showering in the bathroom. What You can getPackage included 1 cordless water flosser, 3 classic standard nozzles, 1 periodontal nozzle, 1 orthodontic nozzle, 1 tongue cleaner tip,1 USB cable, 1 instruction manual and best customer services. We provide 45 days no reason refund and warranty for one year and friendly customer service, all your questions will be resolved within 24 hours, buy it with confidence! Packing list: 1 x oral irrigation body not including nozzles 6 x replaceable nozzles 1 x USB charging cable not including power adapter 1 x instruction manual 1 x packing box