INFORMATIONBrushless motorVoltage: 20VSquare drive: 1/2″No-load speed: 0-1200/0-1800/0-2200rpmImpact rate: 0-2400/0-2800/0-3300bpmFastening torque: 500NmNut-Busting torque: 650NmIntegrated work lightFeatures:1 Pcs belt clip3 Pcs sockets(21mm,22mm,24mm)2 Pcs 4.0Ah battery pack1 Pcs chargerCharge volts:220-240V~50/60Hz