This is a professional universal torque wrench with high precision and practicality. It can be widely used in machinery, aviation, railway, maintenance, inspection and other fields. Features: 1/2in Digital Torque Wrench --- This professional digital torque wrench is a simple to use digital readout wrench that displays real-time torque values in ft-lb and Nm. Simply set the desired torque value and apply force until the red LED illuminates. Ideal for industrial use, automotive, motorcycles and much more. Instant Accurate Reading --- Large LCD display with backlight, sensitive probe offers speed, precision, accuracy result. And with beeps indication and shines a solid LED light to let you know when the desired torque value is achieved, avoiding over-tightening and snapping the bolt. 3 Working Mode --- Includes 3 types of working mode, Peak, Track and Pre, peak mode locked when a specific level of torque is reached and trace mode actively shows how much torque is being applied on the display, track mode shows what the preset torque and indicates when torque is reached Ultra Convenient --- This 1/2" Drive Digital Torque wrench is convenient for a narrow working environment and is easy to work in tight spaces. Premium Quality --- Engineered with industrial-grade Chrome Vanadium (Cr-V) steel, stay confident that your 1/2"" Digital torque wrench will be a lifetime companion through your toughest jobs. Specification: Model: ENC-30 / ENC-135 / ENC-200 (optional) Display resolution: 0.01N.m Working Range: ENC-30: 3-30N.m ENC-135: 13.5-135N.m ENC-200: 20-200N.m ENC-340: 10-340N.m Accuracy: Clockwise 2%, counterclockwise 2.5% Woking Mode: Peak, Track, Pre Unit: kgf.cmN.mlbf.ftlbf.in Power: 2 * 7# battery Auto shut off: 10min not operation Alarm: beep, led light Display: LCD screen with backlight Packing List: 1 * Digital Torque Wrench 2 * Adapter 1/43/8 1 * User Manual