UNI-T UT171C Industrial RMS Multimeter with OLED Display UNI-T UT171C Industrial RMS Multimeter with OLED Display, ready color option Red, Black. The great Industrial RMS Multimeter with Certification CE. Features : OLED display, VFC, nS conductance measurement, variable square wave output, low impedance input, internal Li-ion battery, 4-20mA percentage measurement Takes a chargeable battery so that means it comes with a battery charge and it comes with a European adapter. The charging cannot be done while you're using them. Connectivity options for the UNI-T UT171C a one is the standard USB adapter simply goes into the back of the unit sits on top plug the other end into your PC via the USB and away you go. It ships with CD based software and it's actually not bad software taking a closer look at the selector switch you have the on/off push button so there is no set on/off but starting. On the far left we have volts...