Features:Use just tab water， or industrial alcohol and solvent cleaner for more higher cleaning requirementDigital timer and heating control， clear digital LCD displayPower supply can be either AC 100 - 120VIndustrial control chip microcontroller， flexible circuit boards control， more secure & stable Specifications:Ultrasonic Frequency: 42，000 HzMaterial: Stainless Steel SUS304Tank Capacity: 0.8 LTimer: 1-30minutes， Digital timerPower Supply: AC 100 - 120V， 50/60HzUltrasonic Power: 50 WPlug: US PlugUnit Size: 176 x 162 x 130 mm (L x W x H)Tank Size: 150 x 85 x 65 mm (L x W x H)