Grease encapsulation! Safe clutch device. Its vibration and counteraction are small. Product Name:Electric Breaker Product Model:R5651 Product Model................Z1G-RY-65 Rated Input Power............1300W Max Impact Rate..............1450/min Rated Voltage................110-240V Rated Frequency..............50/60Hz PCS/CTN......................1 Measurement..................71*16.7*32cm G.W./N.W.....................24.5/15.5kg