The Cornwell 1/2" Drive Digital Torque Wrench, No. CTG5000, offers an accuracy of +/- 2 percent clockwise and +/- 3 percent counterclockwise. This wrench features memory for up to 50 readings, 12 LED lights to provide visual signal and a buzzer for audible signal. The wrench also offers an overload indicator, a non-slip comfort grip handle and both track and peak modes. The CTG5000 uses AA batteries (included), and offers a 110-hr battery life with continuous use. The wrench comes in a blow molded case.