Brushless Motor CE approval Voltage: 20V Square drive: 1/2" Max torque : 350 N.m(258ft.lbs.) No load speed(variable speed): 0~1600/0~2000/0~2500 min-1 Impacts Per Minute (variable speed): 0~1800/0~2500/0~3300 ipm Standard Bolt: M10-M20 High Tensile Bolt: M10-M16 Integrated LED light with 1pc 1/4"(6.35mm) quick release holder Tool Only; Battery and Charger not included Packing:color box