Ultrasonic cleaning is a process that uses ultrasound to agitate a fluid. Used to clean many different types of objects, including jewelry, eyeglasses, watches, tools, coins. Removes dirt and bacteria. Removable tank. Ultrasonic power: 60 W Frequency: 40KHz Tank capacity: 1.2L Timer: 5 Cycle time setting Voltage: AC 100~120V, 60Hz; AC 220~240V, 50Hz Tank size: 170 x 130 x 65mm Unit size: 230 x 200 x 160 mm Packing size: 235 x 203 x 167 mm Net weight: 2.3 kg Gross weight: 2.7 kg Certificate: ISO9001:2008; CE; RoHS; FCC