2 speed ranges: 0-400/0-1,100 rpm for increased user flexibility providing a wide range of applications. 130 unit watts out of maximum power for heavy-duty applications such as turning large bits and fasteners. Multi-grip trigger for increased comfort and convenience allowing the user to get into tight spaces. Variable speed and reversing gives the user the ability to control speed. Durable, right-angle transmission with sealed ball bearing allows for longer tool life.