Impact Wrench, Drive Size 1/2 in Square, Max. Torque 330 ft-lb, Voltage 20V DC, Series MAX, Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Cordless, Handle Type Pistol Grip, Battery Capacity (2) 5.0Ah, Tool Weight 3.5 lb, Battery Included 54PD37, Battery Pack Replacement 54PD37, Features Lightweight Design, LED Light, 3 Mode Settings, Precision Wrench Control Feature, Includes Kit Bag, Tool Box