The Dewalt® rotary hammer is a tool that will get the job done. The 20 V Max XR brushless rotary hammer is a compact lightweight high-performance tool that boasts a durable German engineered mechanism that delivers 2.6 joules of impact energy which is faster than corded speed of application. The Dewalt® brushless motor and the mechanical clutch enhance user control in a bind up situation and can help minimize sudden torque reaction. Dewalt electronics allow the tool to maintain speed through the entire application without bogging down even with the largest bits. Its compact size allows access to space restricted areas. The kit also includes 2x 4.0ah batteries that provide all day run time (1) charger (1) adjustable side handle with integrated depth stop rod (1) soft case. This product is backed by a 3-year limited warranty, a 2-year free service contract and a 90-day money back guarantee.