Youpin SUNUO T13 Pro Intelligen Ultrasonic Dental Calculus Irrigator Oral Teeth Nursing Remove Tartar Whitening Teeth Security Before order Please Note:It is Youpin Ecological Chain Products [There is not any any Youpin LOGO on it]Thanks to your understanding! Suno T13 Pro visual dental cleaner washing integrated intelligent machine, with 65ml water tank, can wash and clear the mouth, and might update the cleaning head, The frequency is 40KHZ, 1000W pixels, the battery could be charged for roughly 2 hours, and the standby mode can last for about 90 minutes. The IPX7 water resistant mechanical device could be cleaned, sanitary and safe, Three tools switching can adjust the strength. The intelligent power-off protection robotically stops working each 15 minutes to stop the operating head from overheating and restarting after a rest.