Home Appliance Waterpulse Oral Irrigator Dental Water Jet Flosser Dentistry Teeth Whitening Whitener Cleaner Electric ToothbrushHow to use 1. Put the power plug into an electrial outlet. 2. Remove the lid of tank, fill the tank with water, press the tank down firmly. 3. Insert the tip into the center of the handle till the end, to remove the tip form the handle, press and hold the tip release button, then pull the tip out of the handled. 4.Press ON or OFF to start or stop the device, turn the pressure control knob clockwise to start the device and adjust water pressure. 5. Put the tip into the mouth, spray toward the teeth, and clean the teeth one by one along the gum line. 6.When the tip position is lower thand the water level of the tank, even if the water flosser is not working, water will flow out of the tip. This is a natural phenomenon, so please DO NOT put the handle on the table, be sure to put the handle on the bracket after use. Use Mouthwash and other Solutions Water flosser can be used to deliver mouthwash and antibacterial solutions. Please consult a professiuonal dentist for recommendationon an appropriate solution for you. Note: Alcohol conten from special solution left in the machine will shorten the life of the water flosser. After each use of a special solution in the tank, please take some time to wash the device. Fill the tank with water, point the tip toward the sink and turn on the device. Allow the device to run until the tank is empty. This will remove the solution residues and prevent clogging. home appliance, Dental, teeth whitening, Irrigator dental, Dental water jet, Teeth whitener, Dentistry Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store