Cutting mechanism automatically adjusts diameter to cut Type K, L and M copper pipes from 3/8" to 1" (OD from 1/2" to 1-1/8"). The unique rotating cutting head cuts installed copper piping with as little as 1-1/2" clearance, and the lightweight, inline design provides a longer reach and reduces wrist strain. Water-resistant sealed head and unibody construction for exception durability. Integrated LED (light emitting diode) light for increased visibility. On-board fuel gauge monitors battery life. Includes (1) 1.4 Ah battery, 30 minute charger, and case. 5 year warranty on tool and 2 year warranty on battery.