Features: 1. 30-40KHZ intelligent high-frequency sound wave, 200 million times/minute high-frequency vibration, deep into the teeth to clean the teeth without hurting the teeth, easily crush the tartar, and effectively remove stubborn stains and tartar. 2. Effectively whiten teeth and freshen breath, improve oral problems such as bleeding gums, swollen gums, and bad mouth odor. 3. The four-level cleaning mode meets the cleaning needs of different strengths and gives you a comfortable cleaning experience. 4. The profeional cleaning tip is ergonomically designed and can easily reach the dead corner, allowing you to maintain a high level of cleaning every day. 5. Powerful LED lights illuminate every corner of the mouth, allowing you to clean your teeth more conveniently and efficiently. 6. The tooth tip made of medical-grade titanium alloy and stainle steel is anti-scaling, rust-proof and high-temperature resistant, has good performance, high toughne, and has a service life of up to 8000 hours. 7. Safe mode: After ten minutes of continuous use or the machine is overheated, the product will automatically power off to prevent damage to the machine. Specifications: Name: Scaler for Teeth Material: ABS plastic + stainle steel Color: White Size: Length 9.2cm Weight: 110g Battery: Built-in lithium battery 500mAh Charging method: USB Charging voltage: 5V 1A Charging time: 4 hour Vibration frequency: 36MHZ Waterproof rating: IPX4 Smart power-off: >10min Packing List: 1* Scaler for Teeth 1* Pointed head 1* Flat head 1* Dental mirror 1* Wrench 1* USB Charging Cable 1* English User Manual Electric Ultrasonic Dental Scaler for Teeth Cleaning Machine Tooth Cleaner Dental Flo Toothpicks Tartar Eliminator Scraper