1,GS ,CCC, ISO9001 2,High quality and best price 3,Voltage:220v,Input power:1200w. 4impact power:13J 5.demolition hammer Features/ characteristics :1:it is equipped with over load protection device which can ensure the person safety.2:sds+clamping system3:adjustable side handle:it can rotate at the angle of 360 degrees according to the needs of users,with a depth gauge4:large comfortable d-shape ...