The dental can efficiently reduce food residue, germs and dirt, helping people improve oral condition maintain oral health, perfect for people who have dental implant, or wear braces or retainer; The oral irrigator is 3 modes available including soft, strong and pulse mode. By using it 2-3 times a day, you can prevent tooth decay/gingival atrophy/bleeding gums/dental calculus, etc. The water jet toothpick is IPX7 full body waterproof and designed with a 220ml capacity water tank, which has a good lifespan and is convenient for daily use without a second fill needed; -off protection: the device will auto shut down in 2 minutes without operation. Colour:light green Material:plastic Package Contents: 1 x host 4 x nozzle 1 x USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.