Brushless motor Voltage: 20V Max input power: 900W No-load speed: 3000/6000/9000rpm Disc diameter: 115mm Spindle thread: M14 Include: 1 Set abrasive metal cutting disc(5 Pcs) 1 Pcs 4.0Ah battery pack(TFBLI20021) 1 Pcs charger(TFCLI2001) Charge volts: 220-240V~50/60Hz Packed by color box