Power: 220-240V at 50/60Hz 1100W of input power; 0–2800 rpm of no load speed Maximum Drilling Diameter: 13 mm Changeable Velocity Switch for Forward/Reverse and Hammer Function Five Masonry Drill Bits in an Aluminum Durable Gear Box: 4X75, 5X85, 6X100, 8X120, and 10X120 Packaged by BMC