Technical Parameters: Control way: Pneumatic control Handpiece interface: International universal interface Water pressure: 0.1Mpa~0.25Mpa Air pressure for handpiece: 0.01Mpa~0.4Mpa Air Pressure input: 4-8kg. Air pressure output: 0-5kg Water pressure input: 2kg Water pressure output: 0-2kg Package List: 1 x Main unit 2 x hand-piece tube （4 hole） 1 x saliva ejector 1 x 3-way syringe 1 x Foot switch 1 x Water bottle. 1 x Plastic tube (connects to air-compressor) FDA Statement The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Seller name:Dentistryshop City,State:SHENZHEN,China Telephone number:0755-23998164