This is full-featured, yet economically priced Digital Torque Wrench Features include... Clockwise & Counter-Clockwise operation Peak & Track working mode Ability to set target torque value, with audible and visible alarms 8 Green LED lights and buzzer sounds when target value is approached 4 Red LED lights and buzzer sounds when target value is reached Auto Power Off Non-Slip Grip Handle Specifications include... 29.5 flb - 147.5 flb Measuring Range Accuracy + 2% (Clockwise) Accuracy + 3% (Counter-Clockwise) Resolution: 0.1 flb 1/2" Ratchet Power Supply: 2 AA Batteries Length: 20.87" Weight: 3.09lb