... , 2, clean little things, high quality. 3, Digital ultrasonic cleaner, 5, ultrasonic cleaning machine FeaturesCleans optical discs such as CD, VCD, DVD ... Dentures, Combs, Toothbrushes, Table-waresUltrasonic Frequency 42,000 Hz Tank Material Stainless Steel SUS303 Tank Capacity 600 ml ( 1 pint ) Timer ... ) N.W. 0.98 kgs G.W. 1.30 kgs Ultrasonic cleaner