Feature: 1. Directional Gyroscope: Built in four axis directional gyroscope, the body rotates, the lens angle remains unchanged, and 360° accurate tooth cleaning gives you a safe and comfortable high end tooth cleaning experience. 2. Intelligent Identification: Through the principle of overclocking resonance, gingiva can be identified intelligently. Contact with teeth or hard objects will produce overclocking resonance. When contacting gums or soft objects, it will stop working and provide a safe tooth cleaning experience. 3. Cleaning Mode: Powerful tooth cleaning mode, instantly solve old tooth stones. 35000 vibrations per second can easily solve all kinds of stubborn dental calculi. Three gear adjustable mode, gentle mode, white mode and strong mode. 4. Oral Care: Seamless appearance, efficient waterproof. After cleaning the tartar, you can rinse the lens to make your mouth healthier. The fuselage is appropriate in size and has a dust proof independent protective cover to keep the fuselage clean. 5. Type C Interface: USB fast charging, bid farewell to the cumbersome work brought by dry battery. The battery has a long life without frequent charging. Two sets of cusps can be replaced for different cleaning needs. Specification: Item Type: Ultrasonic Dental Scaler Material: ABS Weight: Approx. 187g / 6.6oz Model: D3 WIFI Chip: Intelligent Drone WIFI Chip Resolution of Endoscope Camera: 30W 640x480 pixels Ultrasonic Vibration Times: 35000 times/S Acoustic Frequency: 35khz±2 Ultrasonic Power: 1.85W Tooth Cleaning Mode: Gentle Mode, Whitening Mode, Strong Mode Cleaning Head: Replaceable Working Head: Pointed Head, Flat Head Low Power Protection: Support Overall Power: 2.5W Charging Current: 500mah Charging Time: About 2h Charging Interface: Type C Charging Port Temperature: Working Temperature: 0-50℃ Storage Temperature: -20℃-60℃. Battery Type: Lithium Battery, 800mah (Shipped With Built In Battery). Package List: 1 x Ultrasonic Dental Scaler Host 2 x Head (One Installed)1 x Wrench 4 x Ethanol Cotton 1 x Instructions 1 x Power Cord 2 x Cotton Swab Note: 1. Sharp cleaning head, please pay attention not to hurt oral skin when using. 2. Please clean the whole tooth tip with cotton before use. 3. When using, please start from the lowest level, too much strength may damage teeth and roots. 4. After use, please wipe the camera lens and tooth tip with disinfection cotton. 5. This product is for personal use, please do not mix, in order to avoid cross infection. 6. The machine contains lithium battery, do not put the product into fire: there is the risk of fire or explosion. Please refer to national laws and regulations for waste disposal.