High power impact wrench with high capacity 5.0Ah Li-Ion batteries. Double the performance of a 3.0Ah Li-Ion battery thanks to advancements in battery technology. Multiplex protection circuit for maximum battery life. Same size and weight as 3.0Ah/4.0Ah Li-Ion battery. Powerful tightening torque of 480Nm (hard). Forward-reverse rocker switch. Slimline soft grip handle. Forward & reverse switch. White LED spotlight illuminates work piece. Battery level indicator. 1/2" square drive. External brush caps.