Voltage : 4 Chuck Size : 1/4 In. Hex Battery Type : Lithium-Ion Battery Amp Hour : 1.5 Corded/Cordless : Cordless Maximum Speed : 190 rpm Torque : 44 In./Lb. Weight (Lb.) : 1.5 Batteries Included : Yes Charger Included : Yes Case Included : No Warranty : 2 Year