??After-Sales Service?We provide customer service at any time, such as reply within 24 hours, feel free to contact us about dental tool kit cleaner quality and other questions, and are committed to providing our customers with the best experience. Welcome your inquiry!. ??IP67 Waterproof & LED?The IP67 waterproof remove teeth stain tarter plaque calculus can clean the whole body, and the LED light will automatically turn on when the dental cleaner tool kit is working, illuminating the blind area of vision. ??3 Modes & 2 Head?Your dental calculus remover 5 cleaning modes with different strengths to meet the needs of different teeth cleaning,3 different shapes of 304 stainless steel cleaning heads for different parts of the teeth. ??Easy-to-Use Method?First with dental tools Go back and forth in a tiny area for a few passes and wait until you get used to the feeling. Then slowly increase the intensity to find the level that works best for you. ??Real Sonic Technology? Dental plaque remover tool using real sonic high-frequency vibration technology(Some customers may think that the machine is not working because it has no vibration and working sound, if you have similar doubts, please try it on your teeth or other hard objects).