Scaler handpiece HP-3H: - Power Source Input: ~190V-230V. - Output Primary Tip Vibration Excursion: <90μm. - Output Tip Vibration Frequency: 28kHz + 3kHz. - Output half excursion force: 0.5N~2N. - Tip’s Output Power: 3W~20W. - Water Pressure: 0.01MPa ~ 0.5 MPa. **For further product information, please contact Chat Support**