1/2 inch drive impact wrench. 3 modes: mode 1 for precision work, mode 2 helps prevent damage to fasteners & materials, mode 3 delivers maximum performance for toughest applications. Fuel light & led light. Max torque: 105/160/280 Nm. No load speed: 1700/2000/24000 rpm. Impact rate: 2500/3000/3100 ipm.