The PSB 1800 LI-2 (2 battery) is a cordless 2-speed hammer drill. The 2-speed gear operation & 20 torque settings allow enough power for all DIY applications. This tool comes equipped with an extensive 241 accessories to help with all your screwdriving hammering & drilling needs. Intelligently managing the interaction between the battery motor & gearbox the Bosch Syneon Chip provides optimum power & maximum endurance throughout your project. In addition it all comes smartly packed in a toolbox for easy storage & transportation.