Digital Torque Meter High Precision Electric Screwdriver Wrench Switching Torque Tester 10/20/50/100 N.M Physical Torque Meter ,Easy to Use

POWER SAVING DESIGN OF 1-60MIN FREE SETTING AUTOMATIC SHUT-DOWN FOR UNMANNED OPERATION WITH PEAK HOLDING FUNCTION AUTOMATIC ALARM SETTING USE ENVIRONMENT-FRIENDLY BATTERY (NIMH) RS-232/ USB INTERFACE, USED TO CONNECT THE COMPUTER, THE TORQUEMETER TEST DATA ON THE COMPUTER WITH THE CURVE