... color display 4.with USB interface MCH USB Oscilloscope, DS-2025CA Digital Oscilloscope, 25MHz freq. ,dual channelSpecifications: SpecificationsDS ... degreesDisplayA/CA: mono/color,320×240 resolutionPower supplyWorldwide 100-225 V/40VA MaxInterfaceUSB portAccessoriesProbe×2, power cord, ... are subject to change without prior notice. DS-2025CA USB Oscilloscope, 25MHz freq.,dual channel digital ...