The Bosch PSR18LI-2 Drill/ Driver has exceptional functionality thanks to its lithium-ion technology which means that there is no self-discharge or unwanted memory effect. Even more performance is provided by the intelligent Bosch Syneon Chip, which enables a longer runtime per battery charge. This drill/driver is also equipped with the innovative electronic “ Bosch Power Control” torque preselection function with integrated gear change. The two-speed high-performance planetary gearbox guarantees a long lifetime, efficient power transmission & very smooth running.