Brushless motorVoltage: 20VMax.torque: 80NmSquare Drive: 3/8"No-load speed: 0-1500/0-2000/-0-2200rpmImpact rate: 0-2200/0-2400/0-3400bpmInclude:3 Pcs sockets(13,17,19mm)Battery and charger sold separatelyPacked by color box