DEWALT DCS388B  FLEXVOLT 60v Max Brushless Reciprocating Saw (Tool Only) Flexible - power of corded. Freedom of cordless. The world's first battery that automatically changes voltage when you change tools Keyless lever-action blade clamp for quick and easy blade changes 0 - 3000 spm and a 1 1/8" stroke length for fast and efficient cutting Variable speed trigger allows user to instantly control speed LED light helps to illuminate dark jobsite work areas Battery & Charger Sold Separately *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18