Durable Ultrasonic CleanerUltrasonic cleaners specifications, Power: 16W, Rated voltage: 24V, Ultrasonic frequency: 48000HZ, Cleaning tank volume: 330ML, Cleaning tank size: 7.04*3.74*1.65inch, this ultrasonic Jewellery cleaner produces powerful and gentle sound waves, will not harm your valuable items, please rest assured to use.When using our jewellery cleaner ultrasonic,it is best to add detergent to the water, the wash will be more clean. Stainless Steel TankOur ultrasonic jewellery cleaner use strong and durable 304 stainless steel tank, it makes the device be resistant to weak acid and weak alkali,48 KHz ultrasonic frequency and high-power ultrasonic transducer for superior cleaning effect.The see-through lid is attached, making this unit extremely easy to load and unload. Smart DesignThe ultrasonic cleaner machine Adopted 3 mins One-Key auto set up timer,Press the touch screen button to start working, it will stop working automatically after 3 minutes, there will be a slight buzzing sound when working, this is normal,jewellery cleaner can only replace manual cleaning of the surface of the object, while the dirt in the crevices and several years of serious dirt is difficult to clean. Warm Tips: Ultrasonic cleaner cannot remove rust, please do not put rusty items in