high performance brushless motor: the impact drill/driver is equipped with a highly efficient brushless motor, providing powerful torque of up to 208nm and a perfect combination of 3200rpm and 4300cps/min, to cope with all types of fastening work effortlessly and improve efficiency. external rotor motor: this motor technology allows high torque in a compact format. the flat and slim design ensures high rotation accuracy due to extremely stable and even operation. external rotor motor: this motor technology allows high torque in a compact format. the flat and slim design ensures high rotation accuracy due to extremely stable and even operation. compact design: with a head length of only 107 mm, the drill/impact driver is compact and lightweight. the minimum intervention angle is only 5deg, facilitating handling even in confined spaces. multi-speed operation modes low medium high self-tapping mode self-tapping mode: equipped with a dedicated mode for self-tapping screws, ideal for precision work. features: quick tightening, minimizes screw head drifting and bit slipping. no need to manually adjust the trigger; this is the ideal mode for screwing. triple led lighting: lights up instantly upon activation, ensuring excellent visibility for work at night or in dark environments. 20v battery platform: with the battery technology shared between all dongcheng 20v max tools, you can build your own dongcheng battery system.