Supply Of Cordless Impact Wrench With Battery Charger,battery Capacity (ampere-hour): 5, Number Of Batteries Required For Operation: Single Battery, Power Input Watt: 850, Elctronic Impact Power Selection: Second Stage, No Load Speed (rpm): Max / Hard / Mid / Soft : 0-3200/0-2600/0-1800/0-1000, Sound Pressure Level (dba): <= 110, Square Drive Inch: 1/2, Impact Per Minute (ipm) (hard / Soft): 0-3600 / 0-2000 Nut-busting Torque (n/m): 330, Battery Voltage (volt): 18 Electronic Speed Selection: 2 Speed, Standard Bolt: M8-m16, High Strength Bolt: M10-m16, Additional Parameter: Bl Motor, Warranty: 12 Month Make: Dewalt (model: Dcf911p2-in) Or Equivalent In Ingersoll Rand, Ralliwolf, Stanley, Bosch.