3 stage impact power selection prevents over-tightening of fasteners Variable speed trigger allows operator to adjust fastening speed based on materials or application Electric brake prevents over-tightening of fasteners Rubber joint construction suppresses transmission of vibration to battery, minimizing battery failures due to terminal breakage or poor electrical contact Twin LED job lights with pre-glow and afterglow features illuminates work area Includes: Two 18v (5.0 ah) Li-Ion batteries, rapid charger, battery cover, hook, plastic carrying case # of Speed Settings 3 Battery Type Lithium-Ion Max. Torque 740 ft-lbs No Load RPM 0-1800 No Load RPM Settings #1 0-900 No Load RPM Settings #2 0-1000 No Load RPM Settings #3 0-1800 Nut-busting Torque (Reverse) 1180 ft. lbs. Socket Size 1/2" Tool Weight 7.9 lbs. Voltage 18 V