Household ultrasonic cleaning machine $ 31.20 Ultrasonic cleaning is the use of ultrasonic cavitation in the liquid, acceleration Direct and indirect effects of direct inflow on liquids and contaminants, Make besmirch layer disperse, emulsify, peel off and achieve the purpose of cleaning Capacity: 680 ml Inner slot size :1688250mm Frequency: 42 KHZ Machine size :2229276mm Power: 24 w