Rated Voltage: 110V/240V Rated Frequency: 50/60Hz Input Power 1050W No Load Speed: 0-3000min-1 Impact rate： 48000min-1 Steel dia： 13mm Concrete dia： 20mm Wood dia： 30mm Packing Size: 39.5*36.5*35CM Qty: 5PCS N.W/G.W: 15/16.5KGS Quantity 20ftCTNR: 2900PCS