**Guarantee Period: 1 year** - Cordless Ultrasonic activator, give you a different experience in root canal activating Features: - Frequency:45Khz. - Variable frequency control, self-adjusting frequency in treatment. - 2 range working power. - Only 95g, Light in weight. - Powerful battery:1500mAh,4.5 hours continuous operation. - Option to direct plug-in charging wire when zero power. **For further product information, please contact Chat Support**