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 Main Unit Dimensions 80mm×170mm×170mm Packing Size 275×230×140mm Weight of main unit 0.75kg Gross Weight 1.95kg Quality guarantee host – 3 years, handpiece – 1 year Scaling Tip G1*2, G2*1, G4*1, P1*1