Ultrasonic Drilling Machine:

Model NO: HJ-DM3

Specifications

Voltage AC 220V, 
Power
80W--450W Adjustable,
Frequency
15Khz-20Khz,
Dimension
350mm×250 mm×250 mm(Main case),
Dimension
460mm×330 mm×650 mm(driller),
Minimum drilling diameter: 0.7mm,
Weight: about 30kg.