1.DC-40MHz 2.Dual channel/dual tracing, X-Y mode 3.CH1,CH2,ALT,CHOP,ADD ... -1V/div(X5) MCH Analog Oscilloscope,V-5040 40MHz oscilloscope, dual channelSpecifications: DescriptionModelV-5040 40MHzCRTScreen6" screen with internal division lines: 8x10 ... ratio of not less than 1:2.5Scan expansion widthx10Accuracy3%Trigger systemModeAuto, NORM, TV-V, TV-HTrigger sourceVERT, CH1, LINE, EXTSensitivity ...