Note: Pre and hold the power button for 2-5 seconds to switch between strong, weak and pulse modes Oral Irrigator Portable Dental Water Floer USB Rechargeable Water Jet Flo Tooth Pick 4 Jet Tip 220ml 3 Modes IPX7 1400rpm Warm prompt: Due to upgraded packaging, both new and old packaging will be shipped randomly.They are the same high quality.Thanks for your understanding. Features: 1.The dental water floer 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 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.3.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;4.Smart power-off protection: the device will auto shut down in 2 minutes without operation. Specifications: Material: food grade ABSColor: white, pinkSize: 28.1*6*6cmWeight: 400g Packing list: 1* Water Floer4* Cleaner Heads1* User Manual Ultrasonic scaler specifications: Material: ABS+PCColor: whiteSize: 19*2.5*2.5Weight: 150gWork frequency: 37KHZ+/-3KHZLife expectancy: 8000HCharging time: 2.5hBattery Capacity: 500mAhPacking list:1* Calculus Remover2* Working Tips1* Mini Wrench1* Charger Cord1* User Manual Warm prompt: Real ultrasonic scaler:1.It will resonate when it touches a hard object, and it will automatically stop when it touches a soft gum.2.No noise.So this ultrasonic scaler only works when it touches hard things such as teeth. If you use it on your skin, it won't work.There is no vibration of item body.