tab article Brushless motor Voltage:20V Square Drive:1/2" No-load speed:0-1300/0-2100rpm Impact rate:0-2000/0-3300bpm Max torque:300Nm Integrated LED work light Include: 1 Pcs 21mm socket 2 Pcs 1.5Ah battery pack(WLBP515) 1 Pcs charger(WFCP510) Charge volts:220V-240V~50/60Hz