Accuracy: clockwise ±2.5%, counter-clockwise ±3.5%. Resolution 1ft.lb.Square driver 1". Clockwise and counter-clockwise operation. Unit: in.lb, ft.lb, N.m, kg.cm. Peak and track working mode. Target torque value can be set, with audible and visible alarm.Power off automatically in 5 minutes without any operations. Non-slip grip handle. With overload record (once the torque reaches 110% of the maximum range).