1/2" 1/4" 3/8" Digital Torque Meter Measurement Adapter Spark Bicycle KG Torque Wrench Gauge Tester Screwdriver ,Precision & Robust

1 Accuracy: difference ±2% clockwise, ±2.5% counterclockwise. 2 Torque units: kgf.cm, N.m, lbf.ft, lbf.in. 3 Sound and light alarm function and backlight function 4 Working modes: real-time mode, peak mode, preset mode. 5 Power supply: 2*7# batteries(Not Include).