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 ... change without prior notice. V-5040 oscilloscope, 40MHz analog frequency,dual channel/traces,