Class leading 400 inch-pounds of torque power through the toughest jobs. Two-speed transmission: 0-400 RPM, 0-1200 RPM. 22-stage clutch offers easy adjustments for high torque and precision driving in wood, plastic, steel, and aluminum. 1/2 in. keyless chuck. Rugged, lightweight plastic body. Weight: 4.4 lbs. Ergonomic, soft, and comfortable anti-slip grip. Includes: flashlight, (2) 1.4Ah batteries, quick charger, carrying case, driver bit.