This digital torque wrench is small in size but also with multifunctions, such as big screen for you to read, four different units for you to change, bu-zzer and LED two alarm functions. If you need it, come on and try it, it will not let you down. 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: 3/8 Bu-zzer setting ranges: 1.8~60 Wrench length: 240mm 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: 950g / 2.1lb Packing list: 1 * Digital Wrench 1 * User Manual