The product is a DCA electric impact wrench.
It is a 3/4" heavy-duty electric impact wrench with a 620W motor.
It has a no-load speed of 1700 r/min and a rated impact frequency of 1600/min.
The tool is designed for quick tightening and loosening of nuts and bolts, with a capacity for bolt sizes from M16 to M22mm.
It features a metal gear box and a rocker-type reversing switch.