Features and Benefits: 4.9" in length provides most access in tight spaces; The POWERSTATE brushless motor delivers up to 250 ft-lbs. of nut-busting torque; Tri-LEDs deliver high definition lighting to increase workspace visibility with less shadows; 4-Mode DRIVE CONTROL provides greater control over output speed and power. Includes auto shut-off and bolt-removal mode; AUTO SHUT-OFF control prevents over tightening and increases productivity by applying no more than 20 ft-lbs. of torque; Bolt-removal mode offers more control after bolt breakaway as RPMs drastically slow down once the bolt is loosened; Mode 1 RPMs: 0-900; Mode 2 RPMs: 0-1,650; Mode 3 RPMs: 0-2,400; Mode 4 RPMs: 0-2,400; Mode 1 IPMs: 0-1,000; Mode 2 IPMs: 0-2,400; Mode 3 IPMs: 0-3,500; Mode 4 IPMs: 0-3,500; REDLINK PLUS Intelligence ensures maximum performance and protects from overloads, heating and over-discharge; Works in up to to 69kV environments; Compatible with all M18 batteries & Chargers; Tool features pin detent for locking sockets in place securely, especially while working overhead;