Voltage : 20V Chuck Size : 3/8 In. Chuck Type : Keyless Battery Type : Lithium-Ion Ampere Hour : 1.5 Ah No Load Speed : 0-800 rpm Torque : 122 In./Lb. UWO (Unit Watts Out) : N/A Clutch Settings : Automatic Batteries Included : Yes Charger Included : Yes Case Included : No Weight : 3.7 Lb. Dimensions : 9.8 In. x 9.5 In. x 3.6 In. Warranty : 2 Year