Product description VEVOR 13.5-15L Digital Ultrasonic Cleaner Get a professional diamond ring cleaner at home!!! 40KHZ ultrasonic wave, deeply wash dirt, grime, oil on your valuable's surface, long hole, crevice, and shelter. Features Rust-Proof Stainless Steel Upgrade stainless steel water tank, anti-rust, better corrosion resistance, and heat resistance. The overall structure no leakage. 40KHz Powerful Transducer The transducer emits a 40KHz ultrasound. Create millions of microscopic cleansing foams to powerfully remove dirt from surfaces or crevices. Heating Adjustable Function The heating can be adjusted to 80, which can effectively soften and dissolve oil stains, increase the cleaning effect, increase the water temperature, and clean quickly and effectively. Digital Display & Setting Clear LED display for smoother operation. Each function is marked. Press the button to adjust the working time and heating temperature. Convenient for your use. Lid & Anti-slip Mat Stainless steel lid with handle prevents water from radiating heat. Non-slip rubber foot pads increase the stability of the sonic jewelry cleaning machine. Specifications Tank Material: Stainless Steel SUS304 Heating Power: 400W Ultrasonic Power: 360W Frequency: 40kHz Power Supply: AC110V-120V Time Setting: 1 - 30 minutes (LED Digital Display) Temperature Setting: 0-80 Tank