1. 2 channel A and B 2.Frequency:0-50MHz 3.Sensibility 2 mV / div to 5 V /div Div   LM650A Oscillograph(1) 2 channel A and B (2)Frequency:0-50MHz (3)Sensibility 2 mV / div to 5 V /div Div (4)Scanning time coefficiency:50ns/div -0.5s/div (5)Enter Impedance 1M /20 pF (6)Display A\B\A=B (7)Triggering synchronizing:Interior ,alternation, source, outside , TV VP auto (8)Scanning mode : auto ,triggering . (9)Size:310×130×418(mm) (10)Screen:8×10div 1div=10mm