... 3 in 1(DSO+Multimeter+Cymometer all CE approval Features- USB Oscilloscope -HDS1022M-N Handheld SeriesUSB oscilloscope, Multimeter and Cymometer, ... 3 in 1Support USB for data transmission to PC Model Name HDS1022M-N Bandwidth ... on each channel Interpolation (sin x)/x Probe attenuation factor 1X,10X,100X,1000X Input coupling DC, AC, GND DC ...