Product name: Lithium Reciprocating Saw Power supply mode: charging Speed regulation mode: infinitely variable speed Product speed: 0-3000RPM Reciprocating stroke: 15MM Cutting thickness: 0-8mm metal, 0-100mm plastic, 0-150mm wood Self-tightening chuck is more stable The alloy material ensures that the saw blade will not loosen and fall during use Powerful motor is as powerful as a cow Strong power pure copper motor, stable output