The DeWalt screwgun gives the convenience of cordless and the speed of corded. Its 4400 RPM speed and its brushless motor provides a full day of running with its two compact batteries. This screw gun has a lightweight design of 3.3 lb. It is balanced, ergonomic and compact. The maximum chuck size is 1/4". The 3-LED fuel gauge system allows immediate feedback on state of charge. The trigger lock-on allows users to lock-on their screw gun for increased application speed. The set includes the screwgun, a charger and two batteries. 3-year limited warranty.