1,GS,CCC,ISO 2,SDS+clamping system 3,Adjustable side handle 26mm electric hammer 4,Large comfortable D-shape handle 1,GS,CCC and ISO certificates2,SDS+clamping system3,Adjustable side handle4,It is equipped with over load protection device,which can ensure the person's safety5,Large comfortable D-shape handle 26mm electric hammer Specifications as following: Rated Voltage110-230VRated frequency50 ...