1Operating Frequency:24-32 KHZ 2Supply Voltage:2.4V DC, 1.7A 3Output Voltage:AC100-240V50/60HZ 4Input inlet pressure:1-5Mpa. 5Output Power:3W-20W 6Inlet Pressure:0.01Mpa-0.5Mpa 7Transformer Weight:0.95KG. 10-ring 20pcs 2Working tip(G1, G2, G4, P1 1piece each) 3Adjusting knob 1pc Measurement:200×140×160mm Gross Weight:1KG. If you have a defective item, you want to return or discount.Or replace item for you. You pay us what you see on the invoice, i. Statement: The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. The item "Portable LCD Touch Screen Dental Piezo Ultrasonic Scaler Fiber Optic Handpiece" is in sale since Friday, December 21, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Ultrasonic Scalers". The seller is "globaltrustshop888" and is located in CA. This item can be shipped worldwide.