Features 1、HIGH ACCURACY MEASUREMENT: The digital torsion screwdriver use advanced technology to ensure accurate measurement of torsion and avoid over tightening or over loosening 2、MULTI FUNCTIONAL DESIGN: The electrician digital torsion screwdriver can be selected in four torsion units, suitable for different work requirements, improve efficiency 3、TWO WAY OPERATION AND ALARM FUNCTION: Torsion wrench support CW and CCW operation, and has an alarm function to warn the user when the set torsion is reached and protect the workpiece from damage 4、APPLICABLE SCENARIO: The torsion screwdriver has a digital display, and provide four torsion units of N.m, kgf.cm, ft.lbf, lbf.in, can be used in electronic devices, machinery manufacturing, computer equipment and accurate instruments 5、EROSION RESISTANT ALUMINUM ALLOY: Adjustable screwdriver torsion wrench set is made of excellent aluminum alloy material, light weight, possess good strength and good erosion resistance, possess real time mode and peak mode Specification Item Type: Digital Torsion Screwdriver Material: Aluminum alloy Battery Type: Dry battery Battery Model: 2 x AAA battery(not included) Operating Modes: Real time mode, peak mode Torsion Units: N.m, kgf.cm, ft.lbf, lbf.in Accuracy: CW 2%, CCW 2.5% Resolution: 0.001 Display Range: 0.03-1N.m Alarm Range: 0.03-1N.m Accuracy Guarantee Range: 20-100 percent Connection Head Size: 6.35in Operating Temperature: 0℃-40℃ Operating Humidity: ≤85% Auto Shut Off Time: 180 second Package List 1 x Torsion Screwdriver 1 x Battery Cover Key 10 x Screwdriver Bits 1 x Plastic Box 1 x User Manual