Powered by DeWalt's high performance, long lasting 18V XR 4.0Ah Lithium Ion battery technology, the DCS373N Circular Saw, with it's 140mm Tungsten Carbide blade is easily capable of slicing through a wide range of material including metals and wood quickly and accurately. Operating at an impressive 3700rpm maximum speed, the DCS373N is a high power, top quality tool, ergonomically designed and extremely versatile thanks to it's built in LED worklight and cordless 'use anywhere' construction. Please Note: This is a bare unit. No Battery or Charger included. Use with DeWalt 18V XR Li-Ion Battery Packs.