Voltage : 20V, Torque & Speed setting : 3, No-load speed : 0-800RPM/0-2500RPM/ 0-2500 RPM, Impact rate : -1100BPM/0-2500BPM/0-3500BPM, Max. Torque : 200 NM, Drive Size :1/4, Motor : Brushless, Battery pack : 2 pc x 2000mAh"