Powerful Motor: 6.5 Amp industrial motor with 5.5 ft/lbs (7.4 joules) impact energy is designed to power through heavy duty concrete and metalworking projects. Power: 1500 W. The drilling capacity of the rotary hammer drill: 1" (26mm) for concrete, 1.6" (40mm) for steel, 0.5" (13mm) for iron . Four Functions: The four different functions of the SDS hammer drill: Drilling is suitable for wood, steel, etc. Chiseling is for concrete or brick. In addition, it is for heavy-duty work and the adjustment of the chisel position adapts to various working scenarios. Variable Speed: Our hammer drill can reach a no-load speed of 850 RPM and a maximum impact frequency of 4200 BPM. Various applications can be completed by adjusting the 6-level no-load speed variable trigger. Humanization Design: The 360° adjustable handle can be applied to different jobs, and the upgraded vibration control system is designed to reduce vibration effectively. The removable depth gauge allows you to accurately determine the depth of the drill bit. Wide Application: The hammer drill is suitable for professional or daily home users. It combines will make it an easy job, whether it's removing tiles or demolishing bricks. In addition, the tools are neatly stored and sorted in a compact case.