AC220V Power Driver Board + 100W 28KHz Ultrasonic Cleaning Transducer Cleaner  Feature:  Board radiating surface Homogeneous sounding board Ultrasonic cleaning transducer Cleaner Transducer Power: 60 W Frequency: 28KHZ Driver Board Voltage: 220V AC Driver Board Power: 100W  Package included:  1 x Driver Board 1 x Transducer 1 x Cable