Brushless Motor Voltage:20V No-load speed:0-1350/min Impact rate:0-4700bpm Single impact force:1.5J Max drilling capacity:Φ22 in concrete Integrated work light SDS plus chuck system With 3pcs drills and 1pcs chisels 20V Lithium-Ion 4.0Ah batteries Charge volts:220V-240V~50/60Hz With 2pcs battery pack With 1pcs charger Packed by canvas bag