Tactile and acoustic trigger signalMount for interchangeable bits/socketsQuickRelease safety lockQuick setup via a convenient keyboardAutomatically correct tightening torque after entering a deviating pattern sizeOverload protection by acoustic and optical warning signalAccidental adjustment is not possible due to automatic key lockDisplay function even with counter-clockwise torquesMeasurement units: N·m, ft·lb, in·lbDifferent tolerance limits adjustable depending on the type of bolted jointOptical evaluation of the bolted joint by green and red displayAdditional security of the presets (function mode, trigger or setpoint value, unit of measure, tolerance value, saving, hole pattern deviation) by PIN codeStores up to 7,500 screw dataUSB interfaceAutomatic warning of the next calibration dateCalibration with perfectControl® calibration device No. 7794 or calibration system No. 77062-component handle with hand-friendly green soft zone (resistant to oils, greases, fuels, brake fluids and Skydrol)Certificate in accordance with DIN EN ISO 6789-2:2017In a sturdy plastic box (size 40-100 in the sturdy steel box)PatentedSupplied with 2 Mignon 1.5 V batteries. Mignon NiMH AA/LR6 batteries, 1.2 V, can be used.Display deviation ± 2%, ± 1 digit