The M18 FUEL SAWZALL Reciprocating Saw cuts faster than its corded counterparts and offers up to 2X more runtime and 5X longer tool life than competitive saws. The POWERSTATE brushless motor provides cutting power that has only been associated with corded tools. The M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack (not included) delivers up to 2.5X runtime and provides more work per charge and more work over the life of the pack than competitive batteries. The saws REDLINK PLUS Intelligence ensures optimized performance and protection from overloading, overheating and over-discharging.The 18-volt lithium-ion SAWZALL features an adjustable shoe, integrated LED light, and a hang hook for convenient storage on the job.