With the help of high-frequency ultrasonic vibration (e.g. 45000 Hz), it can deeply clean stubborn dirt on the surface and in the crevices of the items without damaging their surface. Multifunctional cleaning Suitable for cleaning various items, including watches, glasses, jewelry, dentures, razor heads, porcelain, etc., to meet various daily cleaning needs. The device has an automatic shut-off function and stops automatically when cleaning is complete, which is both energy-saving and safe. The cleaning tank is made of 304 stainless steel and the shell is made of environmentally friendly ABS plastic, which is corrosion-resistant, high-temperature resistant and has a long service life. Convenient operation and intelligent design Start with one click, easy to use. Some units are equipped with transparent observation windows, allowing real-time monitoring of the cleaning process.