The Dewalt® impact driver kit is a tool you can trust. The set features a brushless motor and XR lithium-ion batteries that deliver more runtime and capacity over standard units. The 3-speed setting optimizes application versatility, the precision drive in speed 1 procures precision applications and added control. It is equipped with 3-LED lights, with 20-second delay after trigger release, provide visibility without creating shadows. The one-handed loading 1/4'' hex chuck with easy-grip sleeve accepts 1'' bit tips. The variable speed trigger switch, forward/reverse control button determines the direction of the tool and also serves as a lock-off button. Its compact and lightweight design allows it to fit in tight areas. This product is backed by a 3-year limited warranty, 2-year free service contract and a 90-day money back guarantee.