ACDelco ARM313-2A 1/4" Digital Angle Torque Wrench performs torque range of 1.11 - 22.12 ft-lb. or 1.5 - 30 Nm, 30 memory settings, 2 LEDs flashing alert (green & red), allows to operate at 14 F degree to 140 F degree. LCD backlight display that shows reached torque, battery life, measurement mode. Static torque measurement. Standard functions: torque setting, measurement setting, mode setting. Operation in both clockwise and counter-clockwise directions, accuracy CW +-1.5%; CCW +- 2.5%. LCD display shows N-m (or kg-cm, in-lb., ft-lb.) measurements. LED flashing & vibration / buzzer alarm when under torque or overload. Battery type: 2 x AA (not included). Tool weight: 1.68 lb. Overall length: 16-1/8" or 410 mm.