Digital control, LED digital display, easy to see the remaining time clearly. Time setting: 1-30 minutes; Temperature setting: 0-60 degrees Celsius. 3 x strengthened transducers make the ultrasonic more powerful (40 KHz and 180 Watts ultrasonic cleaning power) and provides remarkable cleaning results. The machine cleans parts with technology of ultrasonic vibration, which features great cleanability for items with complex construction or irregular shape. 6.5L ultrasonic cleaner made of durable stainless steel SUS 304 construction. Auto stand-by and sleep mode. Stainless steel cleaning basket for cleaning some small objects which need less friction, it can reduce the friction between the small objects and the tank. To lengthen its lifespan, please keep inner cleaning tank dry after use. Large ultrasonic cleaner is perfect for commercial components, equipments and devices cleaning. Preset heating function helps improve cleaning efficiency especially in winter; Please be aware it's only an AUXILIARY FUNCTION, do not suggest to use as a water heater with individual use; it heats water with more time in winter.