Cordless Screwgun Kits, Screw Gun Kit, Autofeed No, Chuck Size 1/4 in, Battery Included / Bare Tool Battery Included, Voltage 18V DC, Max. Torque 79 in-lb, No Load RPM 0 to 2500, Clutch Style Silent, Series LXT, Cordless, Brushless Motor Yes, Handle Type Pistol Grip, Cordless Tool Battery Type Li-Ion, Battery Capacity (2) 5.0 Ah, Battery Included (2) 38XU33, Battery Pack Replacement 4NNN2, Features Lock-On Trigger Switch, Star Protection Computer Controls, XPT Protection Technology