The DEWALT DCD791 Brushless Drill Driver has an ultra compact, lightweight design making it perfect for use in confined spaces. Brushless Motor Technology for excellent efficiency and a two speed all metal transmission for increased runtime and longer tool life. It offers a 15 position, adjustable torque control for consistent screw driving into a variety of materials. Intelligent trigger design allows for total control of application. It also has an improved ergonomic design with rubber grip over mould, for increased user comfort. Features and Benefits 30% faster application Speeds (compared to the DCD790). Up to 20x Brighter 3 position LED. Improved air-flow to the motor. Two speed all metal transmission for increased runtime and longer tool life. 15 position adjustable torque.