brushless motor for long life - the dca impact driver is equipped with a brushless motor that ensures longer life and better performance. with a tightening torque of 320 nm and a loosening torque of 420 nm, the screws can be tightened or loosened quickly. this tool is particularly suitable for screw sizes from m12 to m19 and therefore the ideal choice for professional applications and diy projects 4 mode drive control for accuracy - this cordless impact driver offers four modes for precise control: l speed (0-2000rpm, 260nm) for easy work; m speed (0-2600rpm, 320nm) for more demanding tasks; eco mode extends run time by up to 30% and stops automatically 2 seconds after threading, to avoid over-tightening; intelligent loosening mode automatically stops after removing the nuts to prevent the fasteners from falling and increase safety 13mm hog ring anvil the brushless impact driver is equipped with a 1/2" hog ring anvil that allows for quick and easy socket changes. especially suitable for m12 to m19 screws. ideal for car jobs, household repairs and heavy applications - a versatile and effective tool for all fastening tasks impact driver usage tips: lift the wheel with a jack to facilitate tire changing. it is recommended not to use hand tools to tighten nuts. if the screws were manually tightened, please loosen manually first and then work with the impact driver 4.0ah battery & led light - the electric impact driver is equipped with a 20v 4.0ah rechargeable lithium-ion battery that provides a longer life. a charge indicator shows the remaining battery level. the led work light with 5 seconds night lighting makes it easy to work in dark corners. high typing frequency - get optimal performance with a typing frequency of up to 3100 beats per minute (bpm) - with two levels: l speed: 2600 bpm; h speed: 3100 bpm. perfect for quickly loosening locked screws and nuts - save time on any project ergonomic & portable design - compact and ergonomic, this impact driver provides excellent grip and comfort even during prolonged use. whether professional or diy enthusiast, this tool is reliable and easy to use box contents: 1 x 20 v 13 mm brushless impact driver, 1 x 4.0 ah li-ion battery, 7 x 78 mm sockets (17/19/21 mm, h14/h17, t50/t60), 1 x 125 mm extension, 1 x belt hook, 1 x charger 2a, 2 safety pins. 2 x one -rings, 1 carrying bag, 1 x technical support