This ACDelco 1/2 Digital Angle Torque Wrench operates in a torque range of 12.5-250.76 ft-lbs or 17 - 340 Nm. with a 20-degree maximum angle measure. It performs static torque measurement, will retain 30 data sets in its memory and provides a LCD backlight display that shows reached torque, battery life, and measurement mode. Standard functions include torque setting, measurement setting, and mode setting. The wrench operates in both clockwise and counter-clockwise directions with an accuracy of CW +-1.5%; CCW +- 2.5%. The LCD display shows N-m (or kg-cm, in-lb, ft-lb) measurements and provides LED flashing & vibration / buzzer alarm when under torque or overload. Batteries: requires two AA. Tool weight: 3.12 lbs. Overall length: 26-1/3 or 666 mm.