Ultrasonic scaler external: - Automatic Frequency Tracking. - Two Water Supply: Auto-water supply OR external. - Control: Wireless foot switch. - Autoclavable detachable handpiece. - Imported long-life liquid pump. - Foot switch battery: 1.5v*2. - Receiving sensitivity-1140b. - Water pressure 0.01MPa-0.05MPa. - Input AV100-240V 47-63Hz. - Power 30VA-48VA. - Main unit input: DC30V 1.5A. - Output half-excursion <2N. - Vibration frequency of the tip 25~31KHz. - Primary vibration excursion of the tip ≤100um. - Ultrasonic output power: 3W-20W. **For further product information, please contact Chat Support**