... test function,Low battery indication,Auto power off,data hold,Max hold, Specification Basic functionAuto rage, LCD, 3 3/4 digit ... Max. display:4000DCV:400mV/4V/40V/400V/600VACV:400mV/4V/40V/ ... N.W:17kg Digital Clamp Multimeter,3 3/4 digits Max. display:4000