Packing list:1* Water Flosser7* Cleaner Heads1* User Manual1*Charging Cable Specifications:Material: food grade ABSColor: BlackWeight: 450g Features1 dental water flosser can effectively reduce food residue, germs and dirt, helping people upgrade oral issue maintain oral health, ideal for people who have dental implant, or wear braces or retainer; 2 oral irrigator is 5 modes available adding soft, strong and pulse mode. By using it 2-3 occasions a day, you would prevent enamel decay/gingival atrophy/bleeding gums/dental calculus, etc. three water jet toothpick is IPX7 total body waterproof and designed with a 350ml potential water tank, which has a good lifespan and is convenient for every single day use with no moment fill needed; 4 power-off protection: the system will auto close down in 2 minutes with out operation. Warm Tips:1. If you would like use with water, mouthwash or anti-bacterial rinses, stick to the suggestions of your dentist or hygienist. Don&;t face in your eyes once you activate the Water Flosser utilizing the flosser,people lean ahead forty degrees, Press the start button only after the nozzle enters the mouth, the lips naturally close, bead lips leave a gap for the release of liquid,and then open the flosser, so that it will no longer splash.