Specification:Product name: Teeth cleanerMaterial: ABSSize: 8*13.5*23.5cmWeight：800gColor:whiteFeature:Preparations before use 1.Before use, remove the rubber , plug charger in , charge the battery for 4 hours .Red light on the charger indicates charging in process . Green light indicates charging has completedInsert the rubber back after charging.Low power reminder: When the battery power is low, the light of the battery icon on the screen lights up to remind charging. 2.Insert tip into the center of the knob at the top of the water flosser handle. Press firmly until the tip eject button and pull tip from the handle.Put the tip into the mouth, spray toward the teeth,and clean the teeth one by one along the gum line. 3.Open the lid of water tank and fill the tank with clean water. You can adjust the pressure setting on your Oral irrigator by pressingPacking list:Teeth cleaner*1If you have any questions, please contact us in time, we will reply to your inquiry within 24 hours.Thank you for your patronage。