... Oscilloscope -HDS1022M-N Handheld SeriesUSB oscilloscope, Multimeter and Cymometer, 3 in 1Support USB for data transmission to PC Model Name ... modes Sample, Peak Detect and Average DC gain accuracy ±3% Automatic Measurement Vpp,Vavg,RMS,Frequency,Period,Vmax,Vmin,Vtop ... Lissajou’s figure Bandwidth 20MHz Phase difference ±3 degrees Communication interface USB Power supply 100V-240V AC, 50/60Hz Li- ...