... rate 2 in 1 (Multimeter function support) Dual Input Channels Advanced Trigger Functions Automatic Measurement Replaceable Li-ion Battery Back-up LCD ... Measurement V and T between cursors Waveform storage 4 waveforms Automatic Measurement Vpp,Vavg,RMS,Frequency,Period,Vmax,Vmin,Vtop,Vbase ... Interface USB Data Cable (Transfer waveform data to a PC) Power Supply:100V~240V AC,50/60Hz DC input: 8.5VDC ...