Home Appliance Waterpulse Oral Irrigator Dental Water Jet Flosser Dentistry Teeth Whitening Whitener Cleaner Electric Toothbrush 0ral irrigatorHome Appliance Waterpulse Oral Irrigator Dental Water Jet Flosser Dentistry Teeth Whitening Whitener Cleaner Electric Toothbrush How 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