DWT2490: Features: -DEWALT® exclusive nano-phosphate lithium ion cells offer long battery life and durability: 2,000 recharges-Heavy duty impacting mechanism directs torque to fastener without kickback-Compact size and weight allows access into tighter areas and reduces user fatigue-1,330 in./lbs. of torque to perform a wide range of fastening applications. Includes: -0-2,400 rpm/0-2,700 ipm for faster application speed This impact driver kit has a frameless motor for extended tool durability and life. Also features textured anti-slip comfort grip that provides maximum comfort and control. The durable magnesium gear case and all metal transmission gives extended durability. Comes with replaceable brushes for increased serviceability. Kit includes 1 hour charger, (2) 18 volt batteries with NANO technology packaged in a heavy duty kit box. Dimensions: -Heavy-Duty 1/4" Drive 18 Volt Impact Driver Kit with NANO Technology. Warranty: -90 day warranty on material and workmanship.