... : 1.DC-40MHz,dual channel color display 2.1GS/s real sample,50GS/s equivalent 3.w/USB interface MCH Digital Oscilloscope ... Hanning, hamming, Blackman-harris, rectangylarSample points 1024pointsX-YBandwidth 40MHzPhase diff±3 degreesDisplay A/CA: mono/color,320×240 resolutionPower supply Worldwide ... . MCH Digital Oscilloscope,DS-2040CA digital oscilloscope,40Mhz bandwidth,color display,dual channel