Range: 40-200 N-m (29.5-147.5 ft/lb).
Accuracy: +/- 2%.
Memory: 50.
Target value setting: peak and trace mode.
Unit: Kg-m, Kg-cm, in-lb, Ft-lb, N-m.
Auto shut off: 80 seconds.
Alarm: buzzer & led.
Battery: AA (2 pieces).
Used as a calibration device for existing torque wrenches (digital and analog). 3 color LED light indicator and progressive audio notification when reaching specified torque. Convert any ratchet into a torque wrench. Quality construction.