Brushless motorVoltage: 20VMax input power: 950WNo-load speed: 3000/6000/9000rpmDisc diameter: 115mmSpindle thread: M14Include:2 Pcs 4.0Ah battery pack(WLBP540)1 Pcs charger(WFCP502)Charge volts: 220-240V~50/60HzPacked by carrying case