Voltage : 20 Chuck Size : 1/4 In. Battery Type : Lithium-Ion Motor Type : Brushless Battery Platform : DEWALT 20V MAX Torque : 1825 In./Lb. Corded/Cordless : Cordless Impacts per Minute : 3800 Maximum Speed : 3250 rpm Length (In.) : 3.97 Weight (Lb.) : 2.1 Batteries Included : No Charger Included : No Case Included : No Warranty : 3 Year Chuck Type : Hex