Description: Function: Used with a common ratchet wrench as a digital torsion wrench with the same function as a digital torsion wrench. Widely Used: This Digital Torque Gauge is fully functional, compact and easy to carry, cost effective, widely used in machinery, aviation, railway, maintenance, testing and other fields. Conversion of five torque units: kg. cm/N. m/lbf:ft /lbf.in. multi mode operation: real time mode, peak mode, presets mode. Measurement Accuracy: Digital Torque Meter with LED light alarm prompt, 2% clockwise, 2.5% counterclockwise, positive and negative,improve work efficiency. Mode: Digital Torque Adapter has three mode, real time mode, peak mode, presets mode. Automatic shutdown without operation for 2 minutes to avoid excessive power consumption. Specification: Material: Steel Size Chart: 7.1*4.5cm/2.8*1.77inch Package Includes: 1 Torque Meter 1 Screwdriver 2 Head Adapter Note: Please allow slightly errors due to manual measurement and different monitors.