Up to 330 ft-lbs max of fastening torque at only 3.48lbs. Includes the new precision wrench control feature, which helps add more control when using the tool in forward and reverse.
In Forward, the tool will pause before impacting to help prevent over tightening. In Reverse, the tool lowers speed when fastener is loose to help prevent run-off.

3 mode settings to complete a wide variety of applications

Brushless motor for increased efficiency and runtime

Variable speed trigger helps to provide speed controlfor the user

LED light to help illuminate work areas with poor lighting 

Compact and light weight design for comfort when working in tight spaces

Specifications:

Anvil Size 1/2"
Detent Pin Anvil
Impacts/Min 0-3100 Ipm Max Torque (Ft-Lbs) 330 Ft-Lbs 
No Load Speed Lo: 0-900 Hi: 0-2000 
Power Tool Type Cordless  System 20v Max* 
Tool Height 8.25 In  
Tool Length 6.95 In 
Tool Weight 3.48 Lbs  
Tool Width 2.85 In

Includes:

Dewalt DCF894N Impact Wrench

NB: Skin only - Does not include battery or charger