The M18 FUEL? SAWZALL? Reciprocating Saw is the fastest cutting 18 Volt cordless reciprocating saw on the market, offering up to 30% faster cutting, 2X more run-time, and 5X tool life of competitive saws. The POWERSTATE? brushless motor provides cutting power at the same level as some corded saws. The REDLITHIUM? XC 4.0 extended capacity battery pack delivers up to 2X the runtime of competitive 18 Volt tools and will provide more work per charge and more work over the life of the pack than competitive batteries. The included REDLINK Plus? intelligence system ensures optimized performance and protection from overloading, overheating, and over-discharging. The M18 FUEL? SAWZALL reciprocating saw also features an adjustable shoe, and integrated LED light, and a rafter hook for easy storage on the job.