4 Gear Flush Modes: Meet various cleaning needs, including beginners, stubborn residue, daily cleaning, and gum care during exceptional periods 99% Plaque Removal: Efficiently removes plaque for enhanced oral hygiene Long Use Time: Provides up to 100 days of usage, ensuring prolonged convenience Safe Material: Food-contact grade water tank material Portable and Travel-friendly: Retractable design with a large capacity water tank, ideal for travel without sacrificing functionality Versatile Nozzle Options: Includes multi-effect nozzle, standard nozzle, and orthodontic nozzle, catering to different user needs Good Cleaning Effect: Cloud sensing umbrella jet flush technology, precise cleaning around teeth gaps and gum triangle area, providing 7 times more coverage area and comfortable flushing experience Intelligent Water Flow Stabilization: Ensures stable water flow for gentle gum protection, even at low battery levels Specifications: Product model: MEO704 Water tank capacity: 200ml Rated voltage/power: 3.7V-12W Charging voltage/current: 5V-1A Charging time: about 4 hours Waterproof level: IPX7 Material: ABS Body size: 143*69mm Note: The product comes with a Chinese packaging box and the instruction manual is in Chinese.