Built For Long Life - Glass-filled nylon housing provides resistance from damage caused by some oils and solvents. Brighten dark workspaces with onboard LED and brightness control. Tool only (battery and charger not included) Secure Bits In Any Angle - Detent pin anvil holds socket bits in place in elevated and angled positions. Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts. Strong Performance - Up to 300 ft-lbs of max fastening torque and 450 ft-lbs of max breakaway torque. Optimized speed in wood with timber screw mode. Helps prevent overtightening and fastener run-off with PRECISION WRENCH Control. Enhanced user control in a variety of applications with 4 speed settings.