POWERFUL MOTOR13 Amp (1500W) motor ,t delivers powerful impact energy to complete heavy duty projects on concrete, Masonry and metal.Heat resistant copper wire motor allows long working time without burning the machine. Three function modes can be easily switched - hammer only (chiselling-only), hammer drill (hammering and rotation), and drill only (rotation only) .Compared with single function switch design, the double function switch design can extend service life. 360 DEGREE SWIVEL HANDLE – auxiliary handle with textured grip provides maximum control and comfort Flat and point chisels, dust cover, SDS drill grease, SDS drill bits, SDS chuck & regular chuck for drill bits, depth gauge and storage case. CAPACITY –1-3/16 for concrete and 1/2 for steel and 1-9/16 for wood, no load rotation speed 0 - 850 RPM; No load impact frequency 0 - 3900 BPM