Specification Input AC100~240V, 47~63Hz Main Unit Input DC30V, 1.5A Water Input pressure 0.01MPa~0.05MP Vibration frequency of the tip 25~31KHz Ultrasonic output power 3W~20W Output Half-excursion ≤2N Foot Switch Batteries 1.5V×2 Receiving Sensitivity -114Db Main Unit Dimensions 330×155×155mm Packing Size 340×240×180mm Weight of main unit 1.20 kg Gross Weight 2.60 kg Quality guarantee host – 3 years, handpiece – 1 year Scaling Tip G1*1, G2*1, G4*1, P1*1, E1*1