KINPOW 500W 20mm Rotary Hammer Drill Three Function SDS plus Electric Hammer

1)Rotary Hammer
2)input Power:500w
3)No-load speed:0-850rpm
4)Impact Rate:4400rpm
5)Function:3   

6)Drill Capacity:

              in steel:13mm

              in wood:42mm

              in Concrete:20mm