DEWINNER Rotary Hammer Drill,SDS Plus Vibration Control and Safety Clutch, 1500W Heavy Duty, Including 3 Drill Bits,Flat Chisels, Point Chisels, Drill Chuck, 360°Rotating Handle, with Carrying Case

It can reach 850 r/min no-load speed and 4400bpm max impact frequency applies to various working like dismounting walls, breaking floors, decorating houses, etc. With a good heat dissipation system, rotary hammer's motor will not be at high temperature even after a long time working. Three different functions of drill, hammer and hammer drill are easy to switch. The safety clutch system protects the user's safety when the machine is overloaded.