Features: 1. The dental water flosser can efficiently reduce food residue, germs and dirt, helping people improve oral condition maintain oral health, ideal for people who have dental implant, or wear braces or retainer; 2. The oral irrigator is 4 modes available. By using it 2-3 times a day, you can prevent tooth decay/gingival atrophy/bleeding gums/dental calculus, etc. 3. The water jet toothpick is IPX7 full body waterproof and designed with a 310ml capacity water tank, which has a good lifespan and is convenient for daily use without a second fill needed; Specifications: Rated voltage: DC3.