DeWALT DC925KA Heavy-Duty XRP 18-Volt Ni-Cad 1/2-Inch  Hammerdrill/Drill/Driver Kit DEWALT-built motor delivers 510 unit watts out of power; high-capacity XRP battery offer 40% more run-time than standard batteries Patented 3-speed, all-metal transmission offers three drilling speeds (0-450 rpm, 0-1,500 rpm, 0-2,000 rpm) and 3 hammer-blow speeds (0-7,650 bpm, 0-25,500 bpm, 0-34,000 bpm) 22 clutch settings; heavy-duty self-tightening chuck helps prevent bit slippage and provides better torque at the bit Includes 2 18-volt XRP batteries, 360-degree side handle, kit box Drill/driver weighs only 6.1 pounds; 3-year limited warranty