Best Underhood Access Up to 225 ft-lbs Nut Busting Torque Lightest Weight Tri-LEDs deliver high definition lighting to increase workspace visibility with less shadows Variable speed trigger for precise control 4-Mode DRIVE CONTROL provides greater control over output speed and power. Includes auto shut-off and bolt-removal mode Auto shut-off mode prevents over tightening and increases productivity by applying no more than 10 ft-lbs. of torque. 30% Faster Application Speeds Mode 1 RPM: 0-1,150; Mode 2 RPM: 0-2,400; Mode 3 RPM: 0-3,400; Mode 4 RPM: FWD: 0-1,600, REV: 0-3,400 / 0-1,500 Single-handed mode changes for increased productivity Mode 1 IPM: 0 - 1,000; Mode 2 IPM: 0 - 3,400; Mode 3 IPM: 0 - 3,600; Mode 4 IPM: 0 - 3,600 Compatible with all M12 batteries & Chargers