1 Major uses and alertness scope Mini digital- demonstrate torque wrench has a mini-design and is extra suitable for small space It also has powerful operating functions, including torque setting, unit setting, numerical storage, numerical clearing, numerical output and regulation for customers and is straightforward to be operated for installing a electronic demonstrate to for minimize standards to operator is for the bolt fastening and management of automobile and machinery industry, and so on 2 and features 1 Large screen, backlight function; 2 clockwise±2% , counterclockwise±2% , accuracy (full range of 20 to one hundred pc ); 3 be operated clockwise and counterclockwise; four buzzer and LED could be brought about when indication reaches a predetermined torque value (limited to height mode); 5 engineering units (N, kgf, lbf, lbf) 6 mode: live-time mode, peak mode and preset mode 7 sets of storeable records 8 shutdown in 5- minute nine :2pcs AAA battery (not included)