The Bosch Drill Driver GSR 120-Li (Single Battery) is a compact and versatile tool for professional and do-it-yourself use. It is powered by a 12-volt lithium-ion battery, which provides both long-lasting performance and fast charging. The tool has a 2-speed gearbox and a maximum speed of 1,300 RPM, which allows for efficient drilling and screwdriving in a variety of materials. It also includes a keyless chuck for quick bit changes and an LED light for improved visibility in low-light conditions. Because of its ergonomic design and lightweight construction, the Bosch Drill Driver GSR 120-Li is portable and comfortable to use.