This 1/2inch impact wrench is equipped with a high-performance brushless motor, making the electric torque gun have less noise, longer lifespan, and no sparks and smoke. The impact’s max fastening torque is 500N.m (370 ft-lbs), and the max breakaway torque is 550N.m (406 ft-lbs). Also, this battery-operated impact wrench 1/2 drive has 3 variable speeds, 0-1500/2100/2600 RPM, enabling you to complete different types of jobs, such as tighten the lug nut of car. Built-in LED light of this wrench gun will illuminate when working in a dark environment. A 5.2Ah battery, fast charger, portable bag are included in the package.