FEATURES AND BENEFITS: Reverse rotation auto stop mode: This mode works only with pulling the trigger fully in counter-clockwise rotation. When the bolt/nut gets loosened enough, the tool stops the impact and rotation in 0.2 seconds Compact design with overall length of 147mm Equipped with Battery protection circuit: designed to protect the battery from damages due to overdischarge, high temperature or overload current Battery fuel gauge Phosphorescent bumper Ergonomic soft grip Electric brake Variable speed control by trigger Forward/reverse rotation LED job light Brushless motor SPECIFICATIONS: Voltage: 18v Nut Busting Torque: 400 Nm Max Fastening Torque: 280 Nm Driving Shank: 1/2" Square Blows per Minute (Hi): 0-3,500 ipm Blows per Minute (Med): 0-2,600 ipm Blows per Minute (Lo): 0-1,800 ipm Standard Bolt: M10-M20 High Tensile Bolt: M10-M16 No Load Speed (hard): 0-2,800 rpm No Load Speed (med): 0-2,100 rpm No Load Speed (soft): 0-1,600 rpm Net weight: 1.7 kg INCLUDED: 1x DTW285Z