Features: With big digital display screen, and with the blacklight function you can read the number more clearly, give you a better using experience. Four units changing function: You can change the units from N.m, kgf.centimeter, lbf.ft, lbf.in according to your needs. With bu-zzer and LED two alarm ways, at pe-ak mode, it will alarm you when it reaches 80% of the predetermined torque value. It can be operated clockwise and counterclockwise, clockwise 2% and counterclockwise 2.5%, accuracy (20-100% of full scale). Automatic shutdown: This wrench will automatic shutdown without operation for 3 minutes. Specifications: Material: metal+plastics Minimum division value: 0.01 Connector: 1/2 Bu-zzer setting ranges: 3~100 Wrench length: 290mm Accuracy: Clockwise: 2% Counterclockwise: 2.5% Units: N.m, kgf.centimeter, lbf.ft, lbf.in Ratchet tooth: 72 tooth Operating temeperature: -10~60 Package size: 340 * 85 * 60mm / 13.4 * 3.3 * 2.4in Package weight: 1150g / 2.5lb Packing list: 1 * Digital Wrench 1 * User Manual